diff --git a/index.php b/index.php
index 1e3364ad1b39..dd3d5544725c 100644
--- a/index.php
+++ b/index.php
@@ -14,4 +14,4 @@
 define('WP_USE_THEMES', true);
 
 /** Loads the WordPress Environment and Template */
-require('./wp-blog-header.php');
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
diff --git a/wp-activate.php b/wp-activate.php
index ae5c1b2eaf11..eea60d509693 100644
--- a/wp-activate.php
+++ b/wp-activate.php
@@ -11,7 +11,7 @@
 /** Sets up the WordPress Environment. */
 require( dirname(__FILE__) . '/wp-load.php' );
 
-require( './wp-blog-header.php' );
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
 
 if ( !is_multisite() ) {
 	wp_redirect( site_url( '/wp-login.php?action=register' ) );
@@ -126,4 +126,4 @@ function wpmu_activate_stylesheet() {
 	var key_input = document.getElementById('key');
 	key_input && key_input.focus();
 </script>
-<?php get_footer(); ?>
\ No newline at end of file
+<?php get_footer(); ?>
diff --git a/wp-admin/about.php b/wp-admin/about.php
index 8b155d21b42b..0c83f39e256b 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $title = __( 'About' );
 
diff --git a/wp-admin/admin-header.php b/wp-admin/admin-header.php
index 5ee86ae39802..a677dde37543 100644
--- a/wp-admin/admin-header.php
+++ b/wp-admin/admin-header.php
@@ -8,7 +8,7 @@
 
 @header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
 if ( ! defined( 'WP_ADMIN' ) )
-	require_once( './admin.php' );
+	require_once( dirname( __FILE__ ) . '/admin.php' );
 
 // In case admin-header.php is included in a function.
 global $title, $hook_suffix, $current_screen, $wp_locale, $pagenow, $wp_version,
diff --git a/wp-admin/admin-post.php b/wp-admin/admin-post.php
index 28df1b4c0deb..d5644cd98e5c 100644
--- a/wp-admin/admin-post.php
+++ b/wp-admin/admin-post.php
@@ -14,7 +14,7 @@
 if ( defined('ABSPATH') )
 	require_once(ABSPATH . 'wp-load.php');
 else
-	require_once('../wp-load.php');
+	require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
 /** Allow for cross-domain requests (from the frontend). */
 send_origin_headers();
diff --git a/wp-admin/async-upload.php b/wp-admin/async-upload.php
index 296342eaa13f..3a24b52572a0 100644
--- a/wp-admin/async-upload.php
+++ b/wp-admin/async-upload.php
@@ -11,7 +11,7 @@
 if ( defined('ABSPATH') )
 	require_once(ABSPATH . 'wp-load.php');
 else
-	require_once('../wp-load.php');
+	require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
 if ( ! ( isset( $_REQUEST['action'] ) && 'upload-attachment' == $_REQUEST['action'] ) ) {
 	// Flash often fails to send cookies with the POST or upload, so we need to pass it in GET or POST instead
@@ -24,7 +24,7 @@
 	unset($current_user);
 }
 
-require_once('./admin.php');
+require_once( ABSPATH . 'wp-admin/admin.php' );
 
 if ( !current_user_can('upload_files') )
 	wp_die(__('You do not have permission to upload files.'));
diff --git a/wp-admin/comment.php b/wp-admin/comment.php
index d20f98510a1c..5c9edf678237 100644
--- a/wp-admin/comment.php
+++ b/wp-admin/comment.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $parent_file = 'edit-comments.php';
 $submenu_file = 'edit-comments.php';
@@ -36,7 +36,7 @@
  */
 function comment_footer_die( $msg ) {
 	echo "<div class='wrap'><p>$msg</p></div>";
-	include('./admin-footer.php');
+	include( ABSPATH . 'wp-admin/admin-footer.php' );
 	die;
 }
 
@@ -60,7 +60,7 @@ function comment_footer_die( $msg ) {
 	);
 
 	wp_enqueue_script('comment');
-	require_once('./admin-header.php');
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 	$comment_id = absint( $_GET['c'] );
 
@@ -75,7 +75,7 @@ function comment_footer_die( $msg ) {
 
 	$comment = get_comment_to_edit( $comment_id );
 
-	include('./edit-form-comment.php');
+	include( ABSPATH . 'wp-admin/edit-form-comment.php' );
 
 	break;
 
@@ -104,7 +104,7 @@ function comment_footer_die( $msg ) {
 		die();
  	}
 
-	require_once('./admin-header.php');
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 	$formaction    = $action . 'comment';
 	$nonce_action  = 'approve' == $action ? 'approve-comment_' : 'delete-comment_';
@@ -300,4 +300,4 @@ function comment_footer_die( $msg ) {
 
 } // end switch
 
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/credits.php b/wp-admin/credits.php
index 65da470494ab..547a7afc9b1a 100644
--- a/wp-admin/credits.php
+++ b/wp-admin/credits.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $title = __( 'Credits' );
 
diff --git a/wp-admin/customize.php b/wp-admin/customize.php
index a9e05c2fd5a4..6f337084e050 100644
--- a/wp-admin/customize.php
+++ b/wp-admin/customize.php
@@ -9,7 +9,7 @@
 
 define( 'IFRAME_REQUEST', true );
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 if ( ! current_user_can( 'edit_theme_options' ) )
 	wp_die( __( 'Cheatin&#8217; uh?' ) );
 
diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index f001f6f41043..f084ab5fc5e7 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 if ( !current_user_can('edit_posts') )
 	wp_die(__('Cheatin&#8217; uh?'));
 
@@ -136,7 +136,7 @@
 	'<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>'
 );
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -252,4 +252,4 @@
 <?php
 wp_comment_reply('-1', true, 'detail');
 wp_comment_trashnotice();
-include('./admin-footer.php'); ?>
+include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index e466606a0079..11ab30a0873e 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -107,7 +107,7 @@
 $post_type_object = get_post_type_object($post_type);
 
 // All meta boxes should be defined and added before the first do_meta_boxes() call (or potentially during the do_meta_boxes action).
-require_once('./includes/meta-boxes.php');
+require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );
 
 
 $publish_callback_args = null;
@@ -309,7 +309,7 @@
 	) );
 }
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
diff --git a/wp-admin/edit-link-form.php b/wp-admin/edit-link-form.php
index 0aca6e7bc125..97b5aef51e56 100644
--- a/wp-admin/edit-link-form.php
+++ b/wp-admin/edit-link-form.php
@@ -22,7 +22,7 @@
 	$nonce_action = 'add-bookmark';
 }
 
-require_once('./includes/meta-boxes.php');
+require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );
 
 add_meta_box('linksubmitdiv', __('Save'), 'link_submit_meta_box', null, 'side', 'core');
 add_meta_box('linkcategorydiv', __('Categories'), 'link_categories_meta_box', null, 'normal', 'core');
@@ -54,7 +54,7 @@
 	'<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>'
 );
 
-require_once ('admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
diff --git a/wp-admin/edit-tags.php b/wp-admin/edit-tags.php
index 86bb60610904..0a046370b358 100644
--- a/wp-admin/edit-tags.php
+++ b/wp-admin/edit-tags.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! $taxnow )
 	wp_die( __( 'Invalid taxonomy' ) );
@@ -126,8 +126,8 @@
 	$tag = get_term( $tag_ID, $taxonomy, OBJECT, 'edit' );
 	if ( ! $tag )
 		wp_die( __( 'You attempted to edit an item that doesn&#8217;t exist. Perhaps it was deleted?' ) );
-	require_once ( 'admin-header.php' );
-	include( './edit-tag-form.php' );
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+	include( ABSPATH . 'wp-admin/edit-tag-form.php' );
 
 break;
 
@@ -247,7 +247,7 @@
 	unset( $help );
 }
 
-require_once ('admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( !current_user_can($tax->cap->edit_terms) )
 	wp_die( __('You are not allowed to edit this item.') );
@@ -462,4 +462,4 @@
 break;
 }
 
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/edit.php b/wp-admin/edit.php
index 4fd97ee5877e..8d3203611759 100644
--- a/wp-admin/edit.php
+++ b/wp-admin/edit.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! $typenow )
 	wp_die( __( 'Invalid post type' ) );
@@ -262,7 +262,7 @@
 $bulk_messages = apply_filters( 'bulk_post_updated_messages', $bulk_messages, $bulk_counts );
 $bulk_counts = array_filter( $bulk_counts );
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 <div class="wrap">
 <?php screen_icon(); ?>
@@ -322,4 +322,4 @@
 </div>
 
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/export.php b/wp-admin/export.php
index 08979e2df6b5..4f67c08520a8 100644
--- a/wp-admin/export.php
+++ b/wp-admin/export.php
@@ -7,13 +7,13 @@
  */
 
 /** Load WordPress Bootstrap */
-require_once ('admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !current_user_can('export') )
 	wp_die(__('You do not have sufficient permissions to export the content of this site.'));
 
 /** Load WordPress export API */
-require_once('./includes/export.php');
+require_once( ABSPATH . 'wp-admin/includes/export.php' );
 $title = __('Export');
 
 /**
@@ -107,7 +107,7 @@ function export_add_js() {
 	die();
 }
 
-require_once ('admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 /**
  * Create the date options fields for exporting a given post type.
@@ -241,4 +241,4 @@ function export_date_options( $post_type = 'post' ) {
 </form>
 </div>
 
-<?php include('admin-footer.php'); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/freedoms.php b/wp-admin/freedoms.php
index d7accd1b5ad4..22d7a0f78228 100644
--- a/wp-admin/freedoms.php
+++ b/wp-admin/freedoms.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $title = __( 'Freedoms' );
 
diff --git a/wp-admin/import.php b/wp-admin/import.php
index 72b9142f45e3..076f0d1f3d74 100644
--- a/wp-admin/import.php
+++ b/wp-admin/import.php
@@ -9,7 +9,7 @@
 define('WP_LOAD_IMPORTERS', true);
 
 /** Load WordPress Bootstrap */
-require_once ('admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !current_user_can('import') )
 	wp_die(__('You do not have sufficient permissions to import content in this site.'));
@@ -47,7 +47,7 @@
 add_thickbox();
 wp_enqueue_script( 'plugin-install' );
 
-require_once ('admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 $parent_file = 'tools.php';
 ?>
 
@@ -130,4 +130,4 @@
 
 <?php
 
-include ('admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/index.php b/wp-admin/index.php
index e203fa3cc46f..649c6c4ca6a1 100644
--- a/wp-admin/index.php
+++ b/wp-admin/index.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 /** Load WordPress dashboard API */
 require_once(ABSPATH . 'wp-admin/includes/dashboard.php');
diff --git a/wp-admin/install.php b/wp-admin/install.php
index 75007d9deac9..b5d71cee5d9d 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -36,10 +36,10 @@
 require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
 /** Load WordPress Administration Upgrade API */
-require_once( dirname( __FILE__ ) . '/includes/upgrade.php' );
+require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
 
 /** Load wpdb */
-require_once(dirname(dirname(__FILE__)) . '/wp-includes/wp-db.php');
+require_once( ABSPATH . 'wp-includes/wp-db.php' );
 
 $step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
 
diff --git a/wp-admin/link-add.php b/wp-admin/link-add.php
index 6f9c5678e80d..d15fb9315fbf 100644
--- a/wp-admin/link-add.php
+++ b/wp-admin/link-add.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can('manage_links') )
 	wp_die(__('You do not have sufficient permissions to add links to this site.'));
@@ -24,6 +24,6 @@
 	wp_enqueue_script( 'jquery-touch-punch' );
 
 $link = get_default_link_to_edit();
-include('./edit-link-form.php');
+include( ABSPATH . 'wp-admin/edit-link-form.php' );
 
-require('./admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/link-manager.php b/wp-admin/link-manager.php
index 3154f8e3db97..cbcf689be7e9 100644
--- a/wp-admin/link-manager.php
+++ b/wp-admin/link-manager.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once ('admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 if ( ! current_user_can( 'manage_links' ) )
 	wp_die( __( 'You do not have sufficient permissions to edit the links for this site.' ) );
 
@@ -61,7 +61,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include_once ('./admin-header.php');
+include_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( ! current_user_can('manage_links') )
 	wp_die(__("You do not have sufficient permissions to edit the links for this site."));
@@ -97,4 +97,4 @@
 </div>
 
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/link.php b/wp-admin/link.php
index e696d4544187..1b27ce7de72c 100644
--- a/wp-admin/link.php
+++ b/wp-admin/link.php
@@ -10,7 +10,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once ('admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_reset_vars( array( 'action', 'cat_id', 'link_id' ) );
 
@@ -111,8 +111,8 @@
 		if (!$link = get_link_to_edit($link_id))
 			wp_die(__('Link not found.'));
 
-		include ('edit-link-form.php');
-		include ('admin-footer.php');
+		include( ABSPATH . 'wp-admin/edit-link-form.php' );
+		include( ABSPATH . 'wp-admin/admin-footer.php' );
 		break;
 
 	default :
diff --git a/wp-admin/maint/repair.php b/wp-admin/maint/repair.php
index 7cc13e11ace6..de85dbab5ac6 100644
--- a/wp-admin/maint/repair.php
+++ b/wp-admin/maint/repair.php
@@ -7,7 +7,7 @@
  */
 define('WP_REPAIRING', true);
 
-require_once('../../wp-load.php');
+require_once( dirname( dirname( dirname( __FILE__ ) ) ) . '/wp-load.php' );
 
 header( 'Content-Type: text/html; charset=utf-8' );
 ?>
diff --git a/wp-admin/media-new.php b/wp-admin/media-new.php
index e4288119573d..d8f8b633479b 100644
--- a/wp-admin/media-new.php
+++ b/wp-admin/media-new.php
@@ -10,7 +10,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if (!current_user_can('upload_files'))
 	wp_die(__('You do not have permission to upload files.'));
diff --git a/wp-admin/media-upload.php b/wp-admin/media-upload.php
index 96af66bb8d82..19c4f330528e 100644
--- a/wp-admin/media-upload.php
+++ b/wp-admin/media-upload.php
@@ -13,7 +13,7 @@
 	define( 'IFRAME_REQUEST' , true );
 
 /** Load WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if (!current_user_can('upload_files'))
 	wp_die(__('You do not have permission to upload files.'));
diff --git a/wp-admin/media.php b/wp-admin/media.php
index 15d4323876a0..c9f03483598f 100644
--- a/wp-admin/media.php
+++ b/wp-admin/media.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $parent_file = 'upload.php';
 $submenu_file = 'upload.php';
@@ -84,7 +84,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 	);
 
-	require( './admin-header.php' );
+	require( ABSPATH . 'wp-admin/admin-header.php' );
 
 	$parent_file = 'upload.php';
 	$message = '';
@@ -136,7 +136,7 @@
 
 <?php
 
-	require( './admin-footer.php' );
+	require( ABSPATH . 'wp-admin/admin-footer.php' );
 
 	exit;
 
diff --git a/wp-admin/moderation.php b/wp-admin/moderation.php
index 9129795de6a3..13a9b4a3cd2e 100644
--- a/wp-admin/moderation.php
+++ b/wp-admin/moderation.php
@@ -7,6 +7,6 @@
  * @package WordPress
  * @subpackage Administration
  */
-require_once('../wp-load.php');
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 wp_redirect( admin_url('edit-comments.php?comment_status=moderated') );
 exit;
diff --git a/wp-admin/ms-admin.php b/wp-admin/ms-admin.php
index fe5e19bc87e1..35e21e971a55 100644
--- a/wp-admin/ms-admin.php
+++ b/wp-admin/ms-admin.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url() );
 exit;
diff --git a/wp-admin/ms-delete-site.php b/wp-admin/ms-delete-site.php
index 8ef8b810acf3..b9112c061da7 100644
--- a/wp-admin/ms-delete-site.php
+++ b/wp-admin/ms-delete-site.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -29,7 +29,7 @@
 
 $title = __( 'Delete Site' );
 $parent_file = 'tools.php';
-require_once( './admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 echo '<div class="wrap">';
 screen_icon();
@@ -89,4 +89,4 @@
 }
 echo '</div>';
 
-include( './admin-footer.php' );
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/ms-edit.php b/wp-admin/ms-edit.php
index 6e56e026a920..5c405e6f73e4 100644
--- a/wp-admin/ms-edit.php
+++ b/wp-admin/ms-edit.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url() );
 exit;
diff --git a/wp-admin/ms-options.php b/wp-admin/ms-options.php
index 784ac24f1774..764e937757fd 100644
--- a/wp-admin/ms-options.php
+++ b/wp-admin/ms-options.php
@@ -7,6 +7,6 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-wp_redirect( network_admin_url('settings.php') );
\ No newline at end of file
+wp_redirect( network_admin_url('settings.php') );
diff --git a/wp-admin/ms-sites.php b/wp-admin/ms-sites.php
index 00502c915ae2..4f2f2a9b51b2 100644
--- a/wp-admin/ms-sites.php
+++ b/wp-admin/ms-sites.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url('sites.php') );
 exit;
diff --git a/wp-admin/ms-themes.php b/wp-admin/ms-themes.php
index ad873babb482..1a03c66652e2 100644
--- a/wp-admin/ms-themes.php
+++ b/wp-admin/ms-themes.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url('themes.php') );
 exit;
diff --git a/wp-admin/ms-upgrade-network.php b/wp-admin/ms-upgrade-network.php
index 3d36a2cc59f3..ebf5d27a95b1 100644
--- a/wp-admin/ms-upgrade-network.php
+++ b/wp-admin/ms-upgrade-network.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once('admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url('upgrade.php') );
 exit;
diff --git a/wp-admin/ms-users.php b/wp-admin/ms-users.php
index a3be929ac7cc..cc89815058ef 100644
--- a/wp-admin/ms-users.php
+++ b/wp-admin/ms-users.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_redirect( network_admin_url('users.php') );
 exit;
diff --git a/wp-admin/my-sites.php b/wp-admin/my-sites.php
index 2ef4ca77e81b..61073587c45d 100644
--- a/wp-admin/my-sites.php
+++ b/wp-admin/my-sites.php
@@ -7,7 +7,7 @@
  * @since 3.0.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -49,7 +49,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-require_once( './admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( $updated ) { ?>
 	<div id="message" class="updated"><p><strong><?php _e( 'Settings saved.' ); ?></strong></p></div>
@@ -117,4 +117,4 @@
 <?php endif; ?>
 	</div>
 <?php
-include( './admin-footer.php' );
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/nav-menus.php b/wp-admin/nav-menus.php
index 013cc1f397de..7306778aa5af 100644
--- a/wp-admin/nav-menus.php
+++ b/wp-admin/nav-menus.php
@@ -10,7 +10,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 // Load all the nav menu interface functions
 require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
@@ -530,7 +530,7 @@ function wp_nav_menu_max_depth($classes) {
 );
 
 // Get the admin header
-require_once( './admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 <div class="wrap">
 	<?php screen_icon(); ?>
@@ -762,4 +762,4 @@ function wp_nav_menu_max_depth($classes) {
 	</div><!-- /#nav-menus-frame -->
 	<?php endif; ?>
 </div><!-- /.wrap-->
-<?php include( './admin-footer.php' ); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/network.php b/wp-admin/network.php
index c3dea6847143..cdef7f4067ed 100644
--- a/wp-admin/network.php
+++ b/wp-admin/network.php
@@ -13,7 +13,7 @@
 define( 'WP_INSTALLING_NETWORK', true );
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_super_admin() )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
diff --git a/wp-admin/network/about.php b/wp-admin/network/about.php
index e8bbe999d0cf..4ad541268aef 100644
--- a/wp-admin/network/about.php
+++ b/wp-admin/network/about.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../about.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/about.php' );
diff --git a/wp-admin/network/credits.php b/wp-admin/network/credits.php
index 82caa3ad08fc..3d3ae1496b60 100644
--- a/wp-admin/network/credits.php
+++ b/wp-admin/network/credits.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../credits.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/credits.php' );
diff --git a/wp-admin/network/edit.php b/wp-admin/network/edit.php
index e76f25878c9c..b1ae4bbb05c6 100644
--- a/wp-admin/network/edit.php
+++ b/wp-admin/network/edit.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
diff --git a/wp-admin/network/freedoms.php b/wp-admin/network/freedoms.php
index a15a4c3fd31f..da7f86bd2277 100644
--- a/wp-admin/network/freedoms.php
+++ b/wp-admin/network/freedoms.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../freedoms.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/freedoms.php' );
diff --git a/wp-admin/network/index.php b/wp-admin/network/index.php
index 38f5357e34b4..5514331cf3af 100644
--- a/wp-admin/network/index.php
+++ b/wp-admin/network/index.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 /** Load WordPress dashboard API */
 require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
@@ -62,7 +62,7 @@
 
 add_screen_option('layout_columns', array('max' => 4, 'default' => 2) );
 
-require_once( '../admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -79,4 +79,4 @@
 
 </div><!-- wrap -->
 
-<?php include( '../admin-footer.php' ); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/network/plugin-editor.php b/wp-admin/network/plugin-editor.php
index 8850aa8f887d..9af590c45a1d 100644
--- a/wp-admin/network/plugin-editor.php
+++ b/wp-admin/network/plugin-editor.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../plugin-editor.php' );
+require( ABSPATH . 'wp-admin/plugin-editor.php' );
diff --git a/wp-admin/network/plugin-install.php b/wp-admin/network/plugin-install.php
index 5c6243f1cfaf..a8a1c17297cb 100644
--- a/wp-admin/network/plugin-install.php
+++ b/wp-admin/network/plugin-install.php
@@ -11,9 +11,9 @@
 	define( 'IFRAME_REQUEST', true );
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../plugin-install.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/plugin-install.php' );
diff --git a/wp-admin/network/plugins.php b/wp-admin/network/plugins.php
index 514a22b41a93..e9970605267a 100644
--- a/wp-admin/network/plugins.php
+++ b/wp-admin/network/plugins.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../plugins.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/plugins.php' );
diff --git a/wp-admin/network/profile.php b/wp-admin/network/profile.php
index c100e68865ca..df6b782711bb 100644
--- a/wp-admin/network/profile.php
+++ b/wp-admin/network/profile.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../profile.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/profile.php' );
diff --git a/wp-admin/network/settings.php b/wp-admin/network/settings.php
index da4ac4d05ce5..de39b26be264 100644
--- a/wp-admin/network/settings.php
+++ b/wp-admin/network/settings.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -71,7 +71,7 @@
 	exit();
 }
 
-include( '../admin-header.php' );
+include( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( isset( $_GET['updated'] ) ) {
 	?><div id="message" class="updated"><p><?php _e( 'Options saved.' ) ?></p></div><?php
@@ -300,4 +300,4 @@
 	</form>
 </div>
 
-<?php include( '../admin-footer.php' ); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/network/setup.php b/wp-admin/network/setup.php
index e5d5880f9e9a..35938990e654 100644
--- a/wp-admin/network/setup.php
+++ b/wp-admin/network/setup.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../network.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/network.php' );
diff --git a/wp-admin/network/site-info.php b/wp-admin/network/site-info.php
index 38bed75800ce..6a952b646f37 100644
--- a/wp-admin/network/site-info.php
+++ b/wp-admin/network/site-info.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -91,7 +91,7 @@
 $parent_file = 'sites.php';
 $submenu_file = 'sites.php';
 
-require('../admin-header.php');
+require( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -177,4 +177,4 @@
 
 </div>
 <?php
-require('../admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/network/site-new.php b/wp-admin/network/site-new.php
index 9fc5eefd48e0..df98d9526805 100644
--- a/wp-admin/network/site-new.php
+++ b/wp-admin/network/site-new.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -107,7 +107,7 @@
 $title = __('Add New Site');
 $parent_file = 'sites.php';
 
-require('../admin-header.php');
+require( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -150,4 +150,4 @@
 	</form>
 </div>
 <?php
-require('../admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/network/site-settings.php b/wp-admin/network/site-settings.php
index c3aec75dee66..39a2af83269b 100644
--- a/wp-admin/network/site-settings.php
+++ b/wp-admin/network/site-settings.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -77,7 +77,7 @@
 $parent_file = 'sites.php';
 $submenu_file = 'sites.php';
 
-require('../admin-header.php');
+require( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -152,4 +152,4 @@
 
 </div>
 <?php
-require('../admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/network/site-themes.php b/wp-admin/network/site-themes.php
index b47a0c694a66..ec8fc7d45760 100644
--- a/wp-admin/network/site-themes.php
+++ b/wp-admin/network/site-themes.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -132,7 +132,7 @@
 $parent_file = 'sites.php';
 $submenu_file = 'sites.php';
 
-require('../admin-header.php'); ?>
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <div class="wrap">
 <?php screen_icon('ms-admin'); ?>
diff --git a/wp-admin/network/site-users.php b/wp-admin/network/site-users.php
index 0c7a1c729610..62c6212c3ffe 100644
--- a/wp-admin/network/site-users.php
+++ b/wp-admin/network/site-users.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -167,7 +167,7 @@
 if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) )
 	wp_enqueue_script( 'user-suggest' );
 
-require('../admin-header.php'); ?>
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <script type='text/javascript'>
 /* <![CDATA[ */
@@ -307,4 +307,4 @@
 <?php endif; ?>
 </div>
 <?php
-require('../admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/network/sites.php b/wp-admin/network/sites.php
index 93341c35e97e..c5d353a97a05 100644
--- a/wp-admin/network/sites.php
+++ b/wp-admin/network/sites.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -225,7 +225,7 @@
 
 $wp_list_table->prepare_items();
 
-require_once( '../admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -254,4 +254,4 @@
 </div>
 <?php
 
-require_once( '../admin-footer.php' ); ?>
+require_once( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/network/theme-editor.php b/wp-admin/network/theme-editor.php
index f6ac9c2e08df..621c506c2682 100644
--- a/wp-admin/network/theme-editor.php
+++ b/wp-admin/network/theme-editor.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../theme-editor.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/theme-editor.php' );
diff --git a/wp-admin/network/theme-install.php b/wp-admin/network/theme-install.php
index bc4e6269aa6e..c666eaff1c0e 100644
--- a/wp-admin/network/theme-install.php
+++ b/wp-admin/network/theme-install.php
@@ -11,9 +11,9 @@
 	define( 'IFRAME_REQUEST', true );
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../theme-install.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/theme-install.php' );
diff --git a/wp-admin/network/themes.php b/wp-admin/network/themes.php
index 711b44e0f210..264f90ed83d5 100644
--- a/wp-admin/network/themes.php
+++ b/wp-admin/network/themes.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
diff --git a/wp-admin/network/update-core.php b/wp-admin/network/update-core.php
index d4f9c7680a6e..3d2825a958b1 100644
--- a/wp-admin/network/update-core.php
+++ b/wp-admin/network/update-core.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../update-core.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/update-core.php' );
diff --git a/wp-admin/network/update.php b/wp-admin/network/update.php
index b2c6177fbc3a..c90098b25b27 100644
--- a/wp-admin/network/update.php
+++ b/wp-admin/network/update.php
@@ -11,9 +11,9 @@
 	define( 'IFRAME_REQUEST', true );
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../update.php' );
+require( ABSPATH . 'wp-admin/update.php' );
diff --git a/wp-admin/network/upgrade.php b/wp-admin/network/upgrade.php
index 7b5ea1b236cf..96137b34de64 100644
--- a/wp-admin/network/upgrade.php
+++ b/wp-admin/network/upgrade.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -33,7 +33,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-require_once('../admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( ! current_user_can( 'manage_network' ) )
 	wp_die( __( 'You do not have permission to access this page.' ) );
@@ -99,4 +99,4 @@ function nextpage() {
 ?>
 </div>
 
-<?php include('../admin-footer.php'); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/network/user-edit.php b/wp-admin/network/user-edit.php
index 0b2cfd26f4b8..effaaf8a0ebe 100644
--- a/wp-admin/network/user-edit.php
+++ b/wp-admin/network/user-edit.php
@@ -8,9 +8,9 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
-require( '../user-edit.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/user-edit.php' );
diff --git a/wp-admin/network/user-new.php b/wp-admin/network/user-new.php
index 316fffe58cbd..6d09b30b8ac4 100644
--- a/wp-admin/network/user-new.php
+++ b/wp-admin/network/user-new.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -66,7 +66,7 @@
 $title = __('Add New User');
 $parent_file = 'users.php';
 
-require('../admin-header.php'); ?>
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <div class="wrap">
 <?php screen_icon(); ?>
@@ -104,4 +104,4 @@
 	</form>
 </div>
 <?php
-require('../admin-footer.php');
+require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/network/users.php b/wp-admin/network/users.php
index 1318355448ad..415b0c210457 100644
--- a/wp-admin/network/users.php
+++ b/wp-admin/network/users.php
@@ -8,7 +8,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! is_multisite() )
 	wp_die( __( 'Multisite support is not enabled.' ) );
@@ -101,11 +101,11 @@ function confirm_delete_users( $users ) {
 				$_POST['allusers'] = array( $id ); // confirm_delete_users() can only handle with arrays
 				$title = __( 'Users' );
 				$parent_file = 'users.php';
-				require_once( '../admin-header.php' );
+				require_once( ABSPATH . 'wp-admin/admin-header.php' );
 				echo '<div class="wrap">';
 				confirm_delete_users( $_POST['allusers'] );
 				echo '</div>';
-	            require_once( '../admin-footer.php' );
+	            require_once( ABSPATH . 'wp-admin/admin-footer.php' );
 	  		} else {
 				wp_redirect( network_admin_url( 'users.php' ) );
 			}
@@ -130,11 +130,11 @@ function confirm_delete_users( $users ) {
 									wp_die( __( 'You do not have permission to access this page.' ) );
 								$title = __( 'Users' );
 								$parent_file = 'users.php';
-								require_once( '../admin-header.php' );
+								require_once( ABSPATH . 'wp-admin/admin-header.php' );
 								echo '<div class="wrap">';
 								confirm_delete_users( $_POST['allusers'] );
 								echo '</div>';
-								require_once( '../admin-footer.php' );
+								require_once( ABSPATH . 'wp-admin/admin-footer.php' );
 								exit();
 							break;
 
@@ -245,7 +245,7 @@ function confirm_delete_users( $users ) {
 	'<p>' . __('<a href="http://wordpress.org/support/forum/multisite/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-require_once( '../admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( isset( $_REQUEST['updated'] ) && $_REQUEST['updated'] == 'true' && ! empty( $_REQUEST['action'] ) ) {
 	?>
@@ -296,4 +296,4 @@ function confirm_delete_users( $users ) {
 	</form>
 </div>
 
-<?php require_once( '../admin-footer.php' ); ?>
+<?php require_once( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-discussion.php b/wp-admin/options-discussion.php
index 61375ad18136..3f302be326af 100644
--- a/wp-admin/options-discussion.php
+++ b/wp-admin/options-discussion.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -28,7 +28,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include('./admin-header.php');
+include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -249,4 +249,4 @@
 </form>
 </div>
 
-<?php include('./admin-footer.php'); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index fdae33a60b14..9f2935722569 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -80,7 +80,7 @@ function options_general_add_js() {
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include('./admin-header.php');
+include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -324,4 +324,4 @@ function options_general_add_js() {
 
 </div>
 
-<?php include('./admin-footer.php') ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index 6ad2ce6368f7..4eccbf6a27d7 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -35,7 +35,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include('./admin-header.php');
+include( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -134,4 +134,4 @@
 
 </div>
 
-<?php include('./admin-footer.php'); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-permalink.php b/wp-admin/options-permalink.php
index d8d454cdb6ce..738a0c3f8f61 100644
--- a/wp-admin/options-permalink.php
+++ b/wp-admin/options-permalink.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -286,4 +286,4 @@ function options_permalink_add_js() {
 
 </div>
 
-<?php require('./admin-footer.php'); ?>
+<?php require( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-reading.php b/wp-admin/options-reading.php
index 3ca10df9bb5a..3302fb5fd24c 100644
--- a/wp-admin/options-reading.php
+++ b/wp-admin/options-reading.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -72,7 +72,7 @@ function options_reading_blog_charset() {
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include( './admin-header.php' );
+include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -167,4 +167,4 @@ function options_reading_blog_charset() {
 <?php submit_button(); ?>
 </form>
 </div>
-<?php include( './admin-footer.php' ); ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options-writing.php b/wp-admin/options-writing.php
index 87fbf5321c4a..58d571ca7559 100644
--- a/wp-admin/options-writing.php
+++ b/wp-admin/options-writing.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'manage_options' ) )
 	wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
@@ -58,7 +58,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-include('./admin-header.php');
+include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -192,4 +192,4 @@
 </form>
 </div>
 
-<?php include('./admin-footer.php') ?>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/options.php b/wp-admin/options.php
index 83ebd7a62e16..e83c827c11e6 100644
--- a/wp-admin/options.php
+++ b/wp-admin/options.php
@@ -16,7 +16,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $title = __('Settings');
 $this_file = 'options.php';
@@ -197,7 +197,7 @@
 	exit;
 }
 
-include('./admin-header.php'); ?>
+include( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <div class="wrap">
 <?php screen_icon(); ?>
@@ -253,4 +253,4 @@
 </div>
 
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/plugin-editor.php b/wp-admin/plugin-editor.php
index 61040ae060fa..94925b4897ca 100644
--- a/wp-admin/plugin-editor.php
+++ b/wp-admin/plugin-editor.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( is_multisite() && ! is_network_admin() ) {
 	wp_redirect( network_admin_url( 'plugin-editor.php' ) );
diff --git a/wp-admin/plugin-install.php b/wp-admin/plugin-install.php
index 792635ce4c30..2e89a0e69788 100644
--- a/wp-admin/plugin-install.php
+++ b/wp-admin/plugin-install.php
@@ -12,7 +12,7 @@
 /**
  * WordPress Administration Bootstrap.
  */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can('install_plugins') )
 	wp_die(__('You do not have sufficient permissions to install plugins on this site.'));
diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index c371b6410f5d..b587c66ed566 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can('activate_plugins') )
 	wp_die( __( 'You do not have sufficient permissions to manage plugins for this site.' ) );
diff --git a/wp-admin/post-new.php b/wp-admin/post-new.php
index a24d82843770..79896c3b789a 100644
--- a/wp-admin/post-new.php
+++ b/wp-admin/post-new.php
@@ -7,7 +7,7 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !isset($_GET['post_type']) )
 	$post_type = 'post';
@@ -62,5 +62,5 @@
 // Show post form.
 $post = get_default_post_to_edit( $post_type, true );
 $post_ID = $post->ID;
-include('edit-form-advanced.php');
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/edit-form-advanced.php' );
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/post.php b/wp-admin/post.php
index eab89e6b09e6..b832004ff754 100644
--- a/wp-admin/post.php
+++ b/wp-admin/post.php
@@ -9,7 +9,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $parent_file = 'edit.php';
 $submenu_file = 'edit.php';
@@ -195,7 +195,7 @@ function redirect_post($post_id = '') {
 		enqueue_comment_hotkeys_js();
 	}
 
-	include('./edit-form-advanced.php');
+	include( ABSPATH . 'wp-admin/edit-form-advanced.php' );
 
 	break;
 
@@ -309,4 +309,4 @@ function redirect_post($post_id = '') {
 	exit();
 	break;
 } // end switch
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/press-this.php b/wp-admin/press-this.php
index 123116307ee1..5e9e2596112d 100644
--- a/wp-admin/press-this.php
+++ b/wp-admin/press-this.php
@@ -9,7 +9,7 @@
 define('IFRAME_REQUEST' , true);
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
 
diff --git a/wp-admin/profile.php b/wp-admin/profile.php
index c5021f169e04..0f33eb2c9cc6 100644
--- a/wp-admin/profile.php
+++ b/wp-admin/profile.php
@@ -15,4 +15,4 @@
 define('IS_PROFILE_PAGE', true);
 
 /** Load User Editing Page */
-require_once('./user-edit.php');
+require_once( dirname( __FILE__ ) . '/user-edit.php' );
diff --git a/wp-admin/revision.php b/wp-admin/revision.php
index 43ff3be80989..e91229360a7e 100644
--- a/wp-admin/revision.php
+++ b/wp-admin/revision.php
@@ -16,7 +16,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 require ABSPATH . 'wp-admin/includes/revision.php';
 
@@ -119,7 +119,7 @@
 
 get_current_screen()->set_help_sidebar( $revisions_sidebar );
 
-require_once( './admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 
@@ -216,4 +216,4 @@
 
 
 <?php
-require_once( './admin-footer.php' );
+require_once( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/theme-editor.php b/wp-admin/theme-editor.php
index bfa87a455fa2..7d1c61897def 100644
--- a/wp-admin/theme-editor.php
+++ b/wp-admin/theme-editor.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( is_multisite() && ! is_network_admin() ) {
 	wp_redirect( network_admin_url( 'theme-editor.php' ) );
diff --git a/wp-admin/theme-install.php b/wp-admin/theme-install.php
index 14d9f52e84cf..07f42d7ee218 100644
--- a/wp-admin/theme-install.php
+++ b/wp-admin/theme-install.php
@@ -10,7 +10,7 @@
 	define( 'IFRAME_REQUEST', true );
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can('install_themes') )
 	wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 14ed887da02a..a9b07b60a4cd 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !current_user_can('switch_themes') && !current_user_can('edit_theme_options') )
 	wp_die( __( 'Cheatin&#8217; uh?' ) );
@@ -91,7 +91,7 @@
 wp_enqueue_script( 'theme' );
 wp_enqueue_script( 'customize-loader' );
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap"><?php
@@ -213,7 +213,7 @@
 <?php
 if ( ! current_user_can( 'switch_themes' ) ) {
 	echo '</div>';
-	require( './admin-footer.php' );
+	require( ABSPATH . 'wp-admin/admin-footer.php' );
 	exit;
 }
 ?>
@@ -308,4 +308,4 @@
 ?>
 </div>
 
-<?php require('./admin-footer.php'); ?>
+<?php require( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
diff --git a/wp-admin/tools.php b/wp-admin/tools.php
index 387be90356c3..4fab0bdaf8ff 100644
--- a/wp-admin/tools.php
+++ b/wp-admin/tools.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 $title = __('Tools');
 
@@ -29,7 +29,7 @@
 	'<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 );
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>
 <div class="wrap">
@@ -68,4 +68,4 @@
 ?>
 </div>
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/update-core.php b/wp-admin/update-core.php
index e1dac44f06d1..947c9f0292a2 100644
--- a/wp-admin/update-core.php
+++ b/wp-admin/update-core.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_enqueue_style( 'plugin-install' );
 wp_enqueue_script( 'plugin-install' );
@@ -552,4 +552,4 @@ function no_update_actions($actions) {
 
 } else {
 	do_action('update-core-custom_' . $action);
-}
\ No newline at end of file
+}
diff --git a/wp-admin/update.php b/wp-admin/update.php
index caed6e794db5..b89ada27deee 100644
--- a/wp-admin/update.php
+++ b/wp-admin/update.php
@@ -10,7 +10,7 @@
 	define( 'IFRAME_REQUEST', true );
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 
diff --git a/wp-admin/upgrade.php b/wp-admin/upgrade.php
index b04287735d66..24fe9760290d 100644
--- a/wp-admin/upgrade.php
+++ b/wp-admin/upgrade.php
@@ -15,7 +15,7 @@
 define( 'WP_INSTALLING', true );
 
 /** Load WordPress Bootstrap */
-require( '../wp-load.php' );
+require( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
 nocache_headers();
 
diff --git a/wp-admin/upload.php b/wp-admin/upload.php
index 8dec1302a162..64d0f8467655 100644
--- a/wp-admin/upload.php
+++ b/wp-admin/upload.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( !current_user_can('upload_files') )
 	wp_die( __( 'You do not have permission to upload files.' ) );
@@ -173,7 +173,7 @@
 	'<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>'
 );
 
-require_once('./admin-header.php');
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 
 <div class="wrap">
@@ -247,4 +247,4 @@
 </div>
 
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/user-edit.php b/wp-admin/user-edit.php
index ad17ffc3c007..5f7249d862a7 100644
--- a/wp-admin/user-edit.php
+++ b/wp-admin/user-edit.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 wp_reset_vars( array( 'action', 'user_id', 'wp_http_referer' ) );
 
diff --git a/wp-admin/user-new.php b/wp-admin/user-new.php
index 273fa00a262f..f67eb27cae4e 100644
--- a/wp-admin/user-new.php
+++ b/wp-admin/user-new.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once('./admin.php');
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( is_multisite() ) {
 	if ( ! current_user_can( 'create_users' ) && ! current_user_can( 'promote_users' ) )
@@ -201,7 +201,7 @@ function admin_created_user_subject( $text ) {
 	wp_enqueue_script( 'user-suggest' );
 }
 
-require_once( 'admin-header.php' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 if ( isset($_GET['update']) ) {
 	$messages = array();
@@ -418,4 +418,4 @@ function admin_created_user_subject( $text ) {
 <?php } // current_user_can('create_users') ?>
 </div>
 <?php
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/user/about.php b/wp-admin/user/about.php
index a5dbc9899f15..b7943550e911 100644
--- a/wp-admin/user/about.php
+++ b/wp-admin/user/about.php
@@ -8,6 +8,6 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../about.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/about.php' );
diff --git a/wp-admin/user/credits.php b/wp-admin/user/credits.php
index faba84d0128f..2b4021acb9e6 100644
--- a/wp-admin/user/credits.php
+++ b/wp-admin/user/credits.php
@@ -8,6 +8,6 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../credits.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/credits.php' );
diff --git a/wp-admin/user/freedoms.php b/wp-admin/user/freedoms.php
index 3d04407ade0b..d2b77b561590 100644
--- a/wp-admin/user/freedoms.php
+++ b/wp-admin/user/freedoms.php
@@ -8,6 +8,6 @@
  */
 
 /** Load WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../freedoms.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/freedoms.php' );
diff --git a/wp-admin/user/index.php b/wp-admin/user/index.php
index fe0c27cffd52..15ee54e75f10 100644
--- a/wp-admin/user/index.php
+++ b/wp-admin/user/index.php
@@ -7,6 +7,6 @@
  * @since 3.1.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../index.php' );
+require( ABSPATH . 'wp-admin/index.php' );
diff --git a/wp-admin/user/profile.php b/wp-admin/user/profile.php
index b55ba1c3e835..ba059f9ddeef 100644
--- a/wp-admin/user/profile.php
+++ b/wp-admin/user/profile.php
@@ -7,6 +7,6 @@
  * @since 3.1.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../profile.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/profile.php' );
diff --git a/wp-admin/user/user-edit.php b/wp-admin/user/user-edit.php
index 31794ba0d26d..24b50bfd2aa3 100644
--- a/wp-admin/user/user-edit.php
+++ b/wp-admin/user/user-edit.php
@@ -7,6 +7,6 @@
  * @since 3.1.0
  */
 
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
-require( '../user-edit.php' );
\ No newline at end of file
+require( ABSPATH . 'wp-admin/user-edit.php' );
diff --git a/wp-admin/users.php b/wp-admin/users.php
index e807487a5791..1f4fc5e7e907 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 if ( ! current_user_can( 'list_users' ) )
 	wp_die( __( 'Cheatin&#8217; uh?' ) );
@@ -211,7 +211,7 @@ function delete_users_add_js() { ?>
 
 	add_action( 'admin_head', 'delete_users_add_js' );
 
-	include ('admin-header.php');
+	include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 <form action="" method="post" name="updateusers" id="updateusers">
 <?php wp_nonce_field('delete-users') ?>
@@ -316,7 +316,7 @@ function delete_users_add_js() { ?>
 	else
 		$userids = $_REQUEST['users'];
 
-	include ('admin-header.php');
+	include( ABSPATH . 'wp-admin/admin-header.php' );
 ?>
 <form action="" method="post" name="updateusers" id="updateusers">
 <?php wp_nonce_field('remove-users') ?>
@@ -368,7 +368,7 @@ function delete_users_add_js() { ?>
 		exit;
 	}
 
-	include('./admin-header.php');
+	include( ABSPATH . 'wp-admin/admin-header.php' );
 
 	$messages = array();
 	if ( isset($_GET['update']) ) :
@@ -455,4 +455,4 @@ function delete_users_add_js() { ?>
 
 } // end of the $doaction switch
 
-include('./admin-footer.php');
+include( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/widgets.php b/wp-admin/widgets.php
index 8be2a087faec..06b105ecc8d2 100644
--- a/wp-admin/widgets.php
+++ b/wp-admin/widgets.php
@@ -7,7 +7,7 @@
  */
 
 /** WordPress Administration Bootstrap */
-require_once( './admin.php' );
+require_once( dirname( __FILE__ ) . '/admin.php' );
 
 /** WordPress Administration Widgets API */
 require_once(ABSPATH . 'wp-admin/includes/widgets.php');
@@ -222,7 +222,7 @@ function wp_widgets_access_body_class($classes) {
 	$width = ' style="width:' . max($control['width'], 350) . 'px"';
 	$key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
 
-	require_once( './admin-header.php' ); ?>
+	require_once( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 	<div class="wrap">
 	<?php screen_icon(); ?>
 	<h2><?php echo esc_html( $title ); ?></h2>
@@ -289,7 +289,7 @@ function wp_widgets_access_body_class($classes) {
 	</div>
 	</div>
 <?php
-	require_once( './admin-footer.php' );
+	require_once( ABSPATH . 'wp-admin/admin-footer.php' );
 	exit;
 }
 
@@ -302,7 +302,7 @@ function wp_widgets_access_body_class($classes) {
 	__('Error in displaying the widget settings form.')
 );
 
-require_once( './admin-header.php' ); ?>
+require_once( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <div class="wrap">
 <?php screen_icon(); ?>
@@ -397,4 +397,4 @@ function wp_widgets_access_body_class($classes) {
 
 <?php
 do_action( 'sidebar_admin_page' );
-require_once( './admin-footer.php' );
+require_once( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-cron.php b/wp-cron.php
index 37d07e8305f0..da2838cbda05 100644
--- a/wp-cron.php
+++ b/wp-cron.php
@@ -23,7 +23,7 @@
 
 if ( !defined('ABSPATH') ) {
 	/** Set up WordPress environment */
-	require_once('./wp-load.php');
+	require_once( dirname( __FILE__ ) . '/wp-load.php' );
 }
 
 // Uncached doing_cron transient fetch
diff --git a/wp-includes/class-feed.php b/wp-includes/class-feed.php
index bdad84db6cba..342e04dd59fd 100644
--- a/wp-includes/class-feed.php
+++ b/wp-includes/class-feed.php
@@ -1,7 +1,7 @@
 <?php
 
 if ( !class_exists('SimplePie') )
-	require_once (ABSPATH . WPINC . '/class-simplepie.php');
+	require_once( ABSPATH . WPINC . '/class-simplepie.php' );
 
 class WP_Feed_Cache extends SimplePie_Cache {
 	/**
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index 4f775aa79906..99e2286ce174 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -527,7 +527,7 @@ function feed_content_type( $type = '' ) {
  * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success
  */
 function fetch_feed( $url ) {
-	require_once ( ABSPATH . WPINC . '/class-feed.php' );
+	require_once( ABSPATH . WPINC . '/class-feed.php' );
 
 	$feed = new SimplePie();
 
diff --git a/wp-includes/js/tinymce/wp-mce-help.php b/wp-includes/js/tinymce/wp-mce-help.php
index 88c728b447df..befcf9473ea0 100644
--- a/wp-includes/js/tinymce/wp-mce-help.php
+++ b/wp-includes/js/tinymce/wp-mce-help.php
@@ -6,7 +6,7 @@
  */
 
 /** @ignore */
-require_once('../../../wp-load.php');
+require_once( dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) . '/wp-load.php' );
 header('Content-Type: text/html; charset=' . get_bloginfo('charset'));
 ?>
 <!DOCTYPE html>
diff --git a/wp-includes/rss-functions.php b/wp-includes/rss-functions.php
index 86458479df00..e6fc2b18ffe5 100644
--- a/wp-includes/rss-functions.php
+++ b/wp-includes/rss-functions.php
@@ -6,4 +6,4 @@
  */
 
 _deprecated_file( basename(__FILE__), '2.1', WPINC . '/rss.php' );
-require_once (ABSPATH . WPINC . '/rss.php');
+require_once( ABSPATH . WPINC . '/rss.php' );
diff --git a/wp-links-opml.php b/wp-links-opml.php
index 8460ee1eb804..b196f736da51 100644
--- a/wp-links-opml.php
+++ b/wp-links-opml.php
@@ -12,7 +12,7 @@
  * @package WordPress
  */
 
-require_once('./wp-load.php');
+require_once( dirname( __FILE__ ) . '/wp-load.php' );
 
 header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
 $link_cat = '';
@@ -77,4 +77,4 @@
 endforeach; // $cats
 ?>
 </body>
-</opml>
\ No newline at end of file
+</opml>
diff --git a/wp-signup.php b/wp-signup.php
index 20ae8bc0cd2f..7851e1a49a4e 100644
--- a/wp-signup.php
+++ b/wp-signup.php
@@ -5,7 +5,7 @@
 
 add_action( 'wp_head', 'wp_no_robots' );
 
-require( './wp-blog-header.php' );
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
 
 if ( is_array( get_site_option( 'illegal_names' )) && isset( $_GET[ 'new' ] ) && in_array( $_GET[ 'new' ], get_site_option( 'illegal_names' ) ) == true ) {
 	wp_redirect( network_home_url() );
diff --git a/wp-trackback.php b/wp-trackback.php
index ad98f395bc5d..a93bab7c0ebb 100644
--- a/wp-trackback.php
+++ b/wp-trackback.php
@@ -9,7 +9,7 @@
  */
 
 if (empty($wp)) {
-	require_once('./wp-load.php');
+	require_once( dirname( __FILE__ ) . '/wp-load.php' );
 	wp( array( 'tb' => '1' ) );
 }