diff --git a/Wabbajack/App.xaml b/Wabbajack/App.xaml
index 9dd43ac8..245efda8 100644
--- a/Wabbajack/App.xaml
+++ b/Wabbajack/App.xaml
@@ -2,7 +2,8 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:Wabbajack"
-             StartupUri="MainWindow.xaml">
+             StartupUri="ModeSelectionWindow.xaml"
+             ShutdownMode="OnExplicitShutdown">
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
diff --git a/Wabbajack/AppState.cs b/Wabbajack/AppState.cs
index ea1f9449..208a5ba1 100644
--- a/Wabbajack/AppState.cs
+++ b/Wabbajack/AppState.cs
@@ -116,28 +116,6 @@ namespace Wabbajack
             }
         }
 
-        public bool IgnoreMissingFiles
-        {
-            get => _ignoreMissingFiles;
-            set
-            {
-                if (value)
-                {
-                    if (MessageBox.Show(
-                            "Setting this value could result in broken installations. \n Are you sure you want to continue?",
-                            "Ignore Missing Files?", MessageBoxButton.OKCancel, MessageBoxImage.Warning)
-                        == MessageBoxResult.OK)
-                        _ignoreMissingFiles = value;
-                }
-                else
-                {
-                    _ignoreMissingFiles = value;
-                }
-
-                OnPropertyChanged("IgnoreMissingFiles");
-            }
-        }
-
         public string ModListName
         {
             get => _modListName;
@@ -360,7 +338,7 @@ namespace Wabbajack
 
         private void UpdateLoop()
         {
-            while (true)
+            while (Running)
             {
                 if (Dirty)
                     lock (InternalStatus)
@@ -399,6 +377,8 @@ namespace Wabbajack
             }
         }
 
+        public bool Running { get; set; } = true;
+
         internal void ConfigureForInstall(ModList modlist)
         {
             _modList = modlist;
@@ -503,7 +483,6 @@ namespace Wabbajack
             {
                 var installer = new Installer(_modList, Location);
 
-                installer.IgnoreMissingFiles = IgnoreMissingFiles;
                 installer.DownloadFolder = DownloadLocation;
                 var th = new Thread(() =>
                 {
@@ -530,7 +509,6 @@ namespace Wabbajack
             else if (_mo2Folder != null)
             {
                 var compiler = new Compiler(_mo2Folder);
-                compiler.IgnoreMissingFiles = IgnoreMissingFiles;
                 compiler.MO2Profile = ModListName;
                 var th = new Thread(() =>
                 {
diff --git a/Wabbajack/Compiler.cs b/Wabbajack/Compiler.cs
index c2d808c7..3c62ef23 100644
--- a/Wabbajack/Compiler.cs
+++ b/Wabbajack/Compiler.cs
@@ -246,16 +246,34 @@ namespace Wabbajack
             };
 
             GenerateReport();
-            PatchExecutable();
+            ExportModlist();
 
             ResetMembers();
 
             ShowReport();
 
-            Info("Done Building Modpack");
+            Info("Done Building Modlist");
             return true;
         }
 
+        private void ExportModlist()
+        {
+            var out_path = MO2Profile + ".modlist";
+
+            Utils.Log($"Exporting Modlist to : {out_path}");
+
+            using (var os = File.OpenWrite(out_path))
+            using (var bw = new BinaryWriter(os))
+            {
+                var formatter = new BinaryFormatter();
+                using (var compressed = LZ4Stream.Encode(bw.BaseStream,
+                    new LZ4EncoderSettings { CompressionLevel = LZ4Level.L10_OPT }, true))
+                {
+                    formatter.Serialize(compressed, ModList);
+                }
+            }
+        }
+
         private void ShowReport()
         {
             if (!ShowReportWhenFinished) return;
@@ -1141,15 +1159,6 @@ namespace Wabbajack
             {
                 var orig_pos = os.Length;
                 os.Position = os.Length;
-                //using (var compressor = new BZip2OutputStream(bw.BaseStream))
-                /*using (var sw = new StreamWriter(compressor))
-                using (var writer = new JsonTextWriter(sw))
-                {
-                    var serializer = new JsonSerializer();
-                    serializer.TypeNameHandling = TypeNameHandling.Auto;
-                    serializer.Serialize(writer, ModList);
-                }*/
-                //bw.Write(data);
                 var formatter = new BinaryFormatter();
 
                 using (var compressed = LZ4Stream.Encode(bw.BaseStream,
diff --git a/Wabbajack/Installer.cs b/Wabbajack/Installer.cs
index bcc7bf5a..41a362a4 100644
--- a/Wabbajack/Installer.cs
+++ b/Wabbajack/Installer.cs
@@ -357,7 +357,10 @@ namespace Wabbajack
             vfiles.DoIndexed((idx, file) =>
             {
                 Utils.Status("Installing files", idx * 100 / vfiles.Count);
-                File.Copy(file.FromFile.StagedPath, Path.Combine(Outputfolder, file.To));
+                var dest = Path.Combine(Outputfolder, file.To);
+                if (File.Exists(dest))
+                    File.Delete(dest);
+                File.Copy(file.FromFile.StagedPath, dest);
             });
 
             Status("Unstaging files");
@@ -578,7 +581,7 @@ namespace Wabbajack
                     {
                         var read = webs.Read(buffer, 0, buffer_size);
                         if (read == 0) break;
-                        Status("Downloading {archive.Name}", (int)(total_read * 100 / content_size));
+                        Status($"Downloading {archive.Name}", (int)(total_read * 100 / content_size));
 
                         fs.Write(buffer, 0, read);
                         total_read += read;
@@ -618,33 +621,30 @@ namespace Wabbajack
             return HashArchive(e);
         }
 
-        public static ModList CheckForModList()
+        public static ModList LoadModlist(string file)
         {
-            Utils.Log("Looking for attached modlist");
-            using (var s = File.OpenRead(Assembly.GetExecutingAssembly().Location))
+            Utils.Log("Reading Modlist, this may take a moment");
+            try
             {
-                var magic_bytes = Encoding.ASCII.GetBytes(Consts.ModListMagic);
-                s.Position = s.Length - magic_bytes.Length;
-                using (var br = new BinaryReader(s))
+                using (var s = File.OpenRead(file))
                 {
-                    var bytes = br.ReadBytes(magic_bytes.Length);
-                    var magic = Encoding.ASCII.GetString(bytes);
-
-                    if (magic != Consts.ModListMagic) return null;
-                  
-                    s.Position = s.Length - magic_bytes.Length - 8;
-                    var start_pos = br.ReadInt64();
-                    s.Position = start_pos;
-                    Utils.Log("Modlist found, loading...");
-                    using (var dc = LZ4Stream.Decode(br.BaseStream, leaveOpen: true))
+                    using (var br = new BinaryReader(s))
                     {
-                        IFormatter formatter = new BinaryFormatter();
-                        var list = formatter.Deserialize(dc);
-                        Utils.Log("Modlist loaded.");
-                        return (ModList) list;
+                        using (var dc = LZ4Stream.Decode(br.BaseStream, leaveOpen: true))
+                        {
+                            IFormatter formatter = new BinaryFormatter();
+                            var list = formatter.Deserialize(dc);
+                            Utils.Log("Modlist loaded.");
+                            return (ModList) list;
+                        }
                     }
                 }
             }
+            catch (Exception)
+            {
+                Utils.Log("Error Loading modlist");
+                return null;
+            }
         }
     }
 }
diff --git a/Wabbajack/MainWindow.xaml b/Wabbajack/MainWindow.xaml
index 613b8084..22b0407f 100644
--- a/Wabbajack/MainWindow.xaml
+++ b/Wabbajack/MainWindow.xaml
@@ -115,6 +115,5 @@
         <Button Content="View Modlist Contents" Grid.Row="5" Grid.Column="1" Height="30" Visibility="{Binding ShowReportButton}"
                 Command="{Binding ShowReportCommand}" Margin="10" />
         <Button Content="Begin" Grid.Row="6" Height="30" Grid.Column="1" Command="{Binding Begin}" IsEnabled="{Binding UIReady}" Margin="10"/>
-        <CheckBox Content="Ignore Missing Files" Grid.Row="7" Height="20" IsChecked="{Binding IgnoreMissingFiles}" IsEnabled="{Binding UIReady}" Visibility="Collapsed"/>
     </Grid>
 </Window>
\ No newline at end of file
diff --git a/Wabbajack/MainWindow.xaml.cs b/Wabbajack/MainWindow.xaml.cs
index 6df14307..c6c50bbd 100644
--- a/Wabbajack/MainWindow.xaml.cs
+++ b/Wabbajack/MainWindow.xaml.cs
@@ -2,7 +2,11 @@
 using System.ComponentModel;
 using System.Threading;
 using System.Windows;
+using System.Windows.Forms;
+using Alphaleonis.Win32.Filesystem;
 using Wabbajack.Common;
+using Application = System.Windows.Application;
+using MessageBox = System.Windows.MessageBox;
 
 namespace Wabbajack
 {
@@ -13,20 +17,18 @@ namespace Wabbajack
     {
         private AppState _state;
 
-        public MainWindow()
+        public enum RunMode
+        {
+            Compile,
+            Install
+        }
+
+        public MainWindow(RunMode mode, string source)
         {
             var args = Environment.GetCommandLineArgs();
             var DebugMode = false;
             string MO2Folder = null, InstallFolder = null, MO2Profile = null;
 
-            if (args.Length > 1)
-            {
-                DebugMode = true;
-                MO2Folder = args[1];
-                MO2Profile = args[2];
-                InstallFolder = args[3];
-            }
-
             InitializeComponent();
 
             var context = new AppState(Dispatcher, "Building");
@@ -44,12 +46,36 @@ namespace Wabbajack
 
             new Thread(() =>
             {
-                context.UIReady = false;
-                var modlist = Installer.CheckForModList();
-                if (modlist == null)
-                    Utils.Log("No Modlist found, running in Compiler mode.");
-                else
-                    context.ConfigureForInstall(modlist);
+                if (mode == RunMode.Compile)
+                {
+                    Utils.Log("Compiler ready to execute");
+                    context.Location = Path.GetDirectoryName(source);
+                }
+                else if (mode == RunMode.Install)
+                {
+                    context.UIReady = false;
+                    var modlist = Installer.LoadModlist(source);
+                    if (modlist == null)
+                    {
+                        MessageBox.Show("Invalid Modlist, or file not found.", "Invalid Modlist", MessageBoxButton.OK,
+                            MessageBoxImage.Error);
+                        Dispatcher.Invoke(() =>
+                        {
+                            context.Running = false;
+                            ExitWhenClosing = false;
+                            var window = new ModeSelectionWindow();
+                            window.ShowActivated = true;
+                            window.Show();
+                            Close();
+                        });
+                    }
+                    else
+                    {
+                        context.ConfigureForInstall(modlist);
+                    }
+
+                }
+
                 context.UIReady = true;
             }).Start();
         }
@@ -66,9 +92,13 @@ namespace Wabbajack
             _state.LogMsg(((Exception) e.ExceptionObject).ExceptionToString());
         }
 
+
+        internal bool ExitWhenClosing = true;
+
         private void Window_Closing(object sender, CancelEventArgs e)
         {
-            Application.Current.Shutdown();
+            if (ExitWhenClosing)
+                Application.Current.Shutdown();
         }
     }
 }
\ No newline at end of file
diff --git a/Wabbajack/ModeSelectionWindow.xaml b/Wabbajack/ModeSelectionWindow.xaml
new file mode 100644
index 00000000..233f555f
--- /dev/null
+++ b/Wabbajack/ModeSelectionWindow.xaml
@@ -0,0 +1,25 @@
+<Window x:Class="Wabbajack.ModeSelectionWindow"
+        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"
+        Style="{StaticResource {x:Type Window}}" Icon="square_transparent_icon.ico" WindowStyle="ToolWindow"
+        xmlns:local="clr-namespace:Wabbajack"
+        mc:Ignorable="d"
+        Title="ModeSelectionWindow" Height="450" Width="800" ResizeMode="NoResize"
+        Closing="Close_Window">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition></RowDefinition>
+            <RowDefinition Height="70"></RowDefinition>
+            <RowDefinition Height="70"></RowDefinition>
+        </Grid.RowDefinitions>
+        <Image Name="Banner"></Image>
+        <Button Name="InstallModlist"  Grid.Row="1" Margin="2" Click="InstallModlist_Click">
+            <TextBlock FontSize="40">Install a ModList</TextBlock>
+        </Button>
+        <Button Name="CreateModlist" Grid.Row="2" Margin="2" Click="CreateModlist_Click">
+            <TextBlock FontSize="40">Create a ModList</TextBlock>
+        </Button>
+    </Grid>
+</Window>
diff --git a/Wabbajack/ModeSelectionWindow.xaml.cs b/Wabbajack/ModeSelectionWindow.xaml.cs
new file mode 100644
index 00000000..844773ab
--- /dev/null
+++ b/Wabbajack/ModeSelectionWindow.xaml.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+using static Wabbajack.MainWindow;
+
+namespace Wabbajack
+{
+    /// <summary>
+    /// Interaction logic for ModeSelectionWindow.xaml
+    /// </summary>
+    public partial class ModeSelectionWindow : Window
+    {
+        public ModeSelectionWindow()
+        {
+            InitializeComponent();
+            var img = UIUtils.BitmapImageFromResource("Wabbajack.banner_small.png");
+            Banner.Source = img;
+        }
+
+        private void CreateModlist_Click(object sender, RoutedEventArgs e)
+        {
+            var file = UIUtils.OpenFileDialog("MO2 Modlist(modlist.txt)|modlist.txt");
+            if (file != null)
+            {
+                ShutdownOnClose = false;
+                new MainWindow(RunMode.Compile, file).Show();
+                Close();
+            }
+        }
+
+        private void InstallModlist_Click(object sender, RoutedEventArgs e)
+        {
+            var file = UIUtils.OpenFileDialog("Wabbajack Modlist (*.modlist)|*.modlist");
+            if (file != null)
+            {
+                ShutdownOnClose = false;
+                new MainWindow(RunMode.Install, file).Show();
+                Close();
+            }
+        }
+
+
+
+        public void Close_Window(object sender, CancelEventArgs e)
+        {
+            if (ShutdownOnClose)
+                Application.Current.Shutdown();
+        }
+
+        public bool ShutdownOnClose { get; set; } = true;
+    }
+}
diff --git a/Wabbajack/UIUtils.cs b/Wabbajack/UIUtils.cs
index 1b4652d7..bcc9c10e 100644
--- a/Wabbajack/UIUtils.cs
+++ b/Wabbajack/UIUtils.cs
@@ -6,6 +6,8 @@ using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Windows.Forms;
+using System.Windows.Media.Imaging;
 using System.Windows.Threading;
 using Microsoft.WindowsAPICodePack.Dialogs;
 using Wabbajack.Common;
@@ -62,6 +64,24 @@ namespace Wabbajack
             return null;
         }
 
+        public static BitmapImage BitmapImageFromResource(string name)
+        {
+            var img = new BitmapImage();
+            img.BeginInit();
+            img.StreamSource = Assembly.GetExecutingAssembly().GetManifestResourceStream(name);
+            img.EndInit();
+            return img;
+        }
+
+        public static string OpenFileDialog(string filter)
+        {
+            OpenFileDialog ofd = new OpenFileDialog();
+            ofd.Filter = filter;
+            if (ofd.ShowDialog() == DialogResult.OK)
+                return ofd.FileName;
+            return null;
+        }
+
         public static Dispatcher Dispatcher { get; set; }
     }
 }
diff --git a/Wabbajack/Wabbajack.csproj b/Wabbajack/Wabbajack.csproj
index 3d4e89a7..23c7b7a8 100644
--- a/Wabbajack/Wabbajack.csproj
+++ b/Wabbajack/Wabbajack.csproj
@@ -182,6 +182,9 @@
     </ApplicationDefinition>
     <Compile Include="Data.cs" />
     <Compile Include="LambdaCommand.cs" />
+    <Compile Include="ModeSelectionWindow.xaml.cs">
+      <DependentUpon>ModeSelectionWindow.xaml</DependentUpon>
+    </Compile>
     <Compile Include="ReportBuilder.cs" />
     <Compile Include="Themes\LeftMarginMultiplierConverter.cs" />
     <Compile Include="Themes\TreeViewItemExtensions.cs" />
@@ -203,6 +206,10 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="ModeSelectionWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Themes\Styles.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -274,6 +281,9 @@
   <ItemGroup>
     <EmbeddedResource Include="banner.png" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="banner_small.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\packages\Fody.5.1.1\build\Fody.targets" Condition="Exists('..\packages\Fody.5.1.1\build\Fody.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
diff --git a/Wabbajack/banner_small.png b/Wabbajack/banner_small.png
new file mode 100644
index 00000000..e1b067e0
Binary files /dev/null and b/Wabbajack/banner_small.png differ
diff --git a/logos/banner_small.png b/logos/banner_small.png
new file mode 100644
index 00000000..e1b067e0
Binary files /dev/null and b/logos/banner_small.png differ