Sometimes this happens, sometimes not... Once it triggers, it will keep doing it
If you have the task bar selected and press a key.. Ex: "Enter" or an "Arrow" key you get a .NET Framework unhandled exception
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.OverflowException: Arithmetic operation resulted in an overflow.
at Bentley.TaskNavigation.TaskGroup.WndProc(Message& message)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)