UpdateWindow.xaml

<Controls:MetroWindow x:Class="gauthUI.UpdateWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
        xmlns:local="clr-namespace:gauthUI"
        mc:Ignorable="d"
        Title="Auth : Update" Height="300" Width="400.301" MaxHeight="300" MaxWidth="600" Loaded="Window_Loaded" Background="#FFD7E0E0" HorizontalAlignment="Stretch">
    <Grid Margin="0,0,0,50" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="Red">
        <TextBox Name="txtUpdates" TextWrapping="Wrap" IsReadOnly="true" AcceptsReturn="True" HorizontalAlignment="Stretch"  VerticalAlignment="Stretch"  VerticalScrollBarVisibility="Auto">
        </TextBox>
        <Button Name="UpdateBtn" Margin="0,235,64.301,-41" IsDefault="True" Click="UpdateBtnClick" HorizontalAlignment="Right" VerticalAlignment="Bottom">Update</Button>
        <Button Name="OkOrCancelButton" Margin="232,235,8,-41" Click="ButtonOkClick" CommandParameter="Cancel" HorizontalAlignment="Right" VerticalAlignment="Bottom">Cancel</Button>
    </Grid>
</Controls:MetroWindow>