diff --git a/packetWin7/NPFInstall/NPFInstall/NPFInstall.cpp b/packetWin7/NPFInstall/NPFInstall/NPFInstall.cpp
index 6684f95c..9e827251 100644
--- a/packetWin7/NPFInstall/NPFInstall/NPFInstall.cpp
+++ b/packetWin7/NPFInstall/NPFInstall/NPFInstall.cpp
@@ -185,6 +185,8 @@ int _tmain(int argc, _TCHAR* argv[])
 				// -i or -i2
 				BOOL first_time = TRUE;
 				BOOL try_again = FALSE;
+				// Make sure NetCfg doesn't keep an old driver around
+				UninstallDriver(); // Don't care about return value
 				do {
 					try_again = FALSE;
 					if (InstallDriver())