diff --git a/Launcher.Client.Avalonia/GUI/LauncherWindow.axaml.cs b/Launcher.Client.Avalonia/GUI/LauncherWindow.axaml.cs
index aa4bfbd..e7ecf07 100644
--- a/Launcher.Client.Avalonia/GUI/LauncherWindow.axaml.cs
+++ b/Launcher.Client.Avalonia/GUI/LauncherWindow.axaml.cs
@@ -27,6 +27,14 @@ public partial class LauncherWindow : Window
         SelectTab(LibraryButton, null);
         FillProgramsPanel();
         Logger.Log("launcher started");
+        try
+        {
+            throw new Exception("aaa");
+        }
+        catch (Exception ex)
+        {
+            LogError("main window", ex);
+        }
     }
 
     void LogHandler(string m) => Dispatcher.UIThread.InvokeAsync(()=>LogBox.Text += m);
diff --git a/Launcher.Client.Avalonia/GUI/MessageBox.axaml b/Launcher.Client.Avalonia/GUI/MessageBox.axaml
index 5971b49..86bc2d3 100644
--- a/Launcher.Client.Avalonia/GUI/MessageBox.axaml
+++ b/Launcher.Client.Avalonia/GUI/MessageBox.axaml
@@ -3,7 +3,23 @@
         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"
-        Title="MessageBox"
-        d:DesignHeight="450"
-        d:DesignWidth="800"
-        mc:Ignorable="d" />
+        mc:Ignorable="d" 
+        Height="100"
+        Width="200"
+        Background="{DynamicResource MyBackgroundColor}">
+        <Grid>
+                <Grid.RowDefinitions>* 30</Grid.RowDefinitions>
+                <TextBox Name="TextBlock" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
+                         Foreground="{DynamicResource MyWhite}"
+                         
+                         ScrollViewer.VerticalScrollBarVisibility="Auto"
+                         IsReadOnly="True" TextWrapping="Wrap"
+                         FontSize="14"/>    
+                <Button Grid.Row="1" Click="Button_OnClick" 
+                        HorizontalAlignment="Center" VerticalAlignment="Bottom"
+                        Foreground="{DynamicResource MyWhite}"
+                        FontSize="16">
+                    OK
+                </Button>
+        </Grid>
+</Window>
diff --git a/Launcher.Client.Avalonia/GUI/MessageBox.axaml.cs b/Launcher.Client.Avalonia/GUI/MessageBox.axaml.cs
index 612d752..7bd0634 100644
--- a/Launcher.Client.Avalonia/GUI/MessageBox.axaml.cs
+++ b/Launcher.Client.Avalonia/GUI/MessageBox.axaml.cs
@@ -1,4 +1,6 @@
-namespace Launcher.Client.Avalonia.GUI;
+using Avalonia.Interactivity;
+
+namespace Launcher.Client.Avalonia.GUI;
 
 public partial class MessageBox : Window
 {
@@ -9,6 +11,15 @@ public partial class MessageBox : Window
 
     public static void Show(string title, string text)
     {
-        throw new NotImplementedException();
+        var mb = new MessageBox();
+        mb.Title = title;
+        mb.TextBlock.Text = text;
+        mb.Topmost = true;
+        mb.Show();
+    }
+
+    private void Button_OnClick(object sender, RoutedEventArgs e)
+    {
+        this.Close();
     }
 }
\ No newline at end of file
diff --git a/Launcher.Client.Avalonia/LauncherMain.cs b/Launcher.Client.Avalonia/LauncherMain.cs
index 156340e..6ac9f3b 100644
--- a/Launcher.Client.Avalonia/LauncherMain.cs
+++ b/Launcher.Client.Avalonia/LauncherMain.cs
@@ -34,7 +34,6 @@ public static class LauncherMain
             Trace.AutoFlush = true;
             Trace.Listeners.Add(traceHandler);
             BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
-            throw new Exception("aaa");
         }
         catch (Exception ex)
         { 
@@ -45,7 +44,7 @@ public static class LauncherMain
     public static void LogError(string context, Exception ex)
     {
         string errmsg = $"{ex.Message}\n{ex.StackTrace}";
-        //MessageBox.Show($"{context} ERROR", errmsg);
+        MessageBox.Show($"{context} ERROR", errmsg);
         Logger.Log(errmsg);
     }
 }
\ No newline at end of file
diff --git a/Launcher.Client/Launcher.Client.csproj b/Launcher.Client/Launcher.Client.csproj
index 3f41749..29ddf27 100644
--- a/Launcher.Client/Launcher.Client.csproj
+++ b/Launcher.Client/Launcher.Client.csproj
@@ -18,9 +18,8 @@
     
     <ItemGroup>
         <Compile Remove="Resources\**\*" />
+        <EmbeddedResource Include="Resources\**\*" />
         <Compile Remove="debug_assets\**\*" />
-        <EmbeddedResource Include="Resources\launcher.dtsod" />
-        <EmbeddedResource Include="Resources\default.descriptor.template" />
         <None Update="debug_assets\**\*" CopyToOutputDirectory="Always" Condition="'$(Configuration)' == 'Debug'" />
     </ItemGroup>
     
diff --git a/Launcher.Client/ProgramDescriptor.cs b/Launcher.Client/ProgramDescriptor.cs
new file mode 100644
index 0000000..4238d44
--- /dev/null
+++ b/Launcher.Client/ProgramDescriptor.cs
@@ -0,0 +1,6 @@
+namespace Launcher.Client;
+
+public class ProgramDescriptor
+{
+    
+}
\ No newline at end of file