Andrus,

>1. Create new Winforms project from MM WinForm Application Template in VS 2005
>2. Replace MainForm.Designer.cs with the following code
>3. Run the application

Are you manually changing code in MainForm.Designer.cs? If so, what code are you changing? There is a bug in Visual Studio 2005 / .NET 2.0 that may be causing this to happen. The only way I've been able to work around it is to recreate the menu.

Best Regards,