I have the exact same problem since upgrading to version 11. Using latest DirectX, .NET and graphics card drivers (Nvidia 8600GT). Have tried manual update with no success. log from crash: " ************** Exception Text ************** Error in the application. -2005530520 (D3DERR_DEVICELOST) at Microsoft.DirectX.Direct3D.Device.Reset(PresentParameters[] presentationParameters) at Microsoft.DirectX.Direct3D.Device.OnParentResized(Object sender, EventArgs e) at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Windows.Forms.Control.OnResize(EventArgs e) at System.Windows.Forms.Form.OnResize(EventArgs e) at System.Windows.Forms.Control.OnSizeChanged(EventArgs e) at System.Windows.Forms.Control.UpdateBounds(Int32 x, Int32 y, Int32 width, Int32 height, Int32 clientWidth, Int32 clientHeight) at System.Windows.Forms.Control.UpdateBounds() at System.Windows.Forms.Control.WmWindowPosChanged(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmWindowPosChanged(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at af.a(Message& A_0) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3607 (GDR.050727-3600) CodeBase: file:///c:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll ---------------------------------------- GameEx Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/GameEx.exe ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3614 (GDR.050727-3600) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- Microsoft.DirectX.DirectSound Assembly Version: 1.0.2902.0 Win32 Version: 5.04.00.2904 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX.DirectSound/1.0.2902.0__31bf3856ad364e35/Microsoft.DirectX.DirectSound.dll ---------------------------------------- Microsoft.DirectX.Direct3DX Assembly Version: 1.0.2911.0 Win32 Version: 9.12.589.0000 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX.Direct3DX/1.0.2911.0__31bf3856ad364e35/Microsoft.DirectX.Direct3DX.dll ---------------------------------------- NetVideoPlayer Assembly Version: 1.0.3785.34211 Win32 Version: CodeBase: file:///C:/Program%20Files/GameEx/NetVideoPlayer.DLL ---------------------------------------- Microsoft.VisualBasic Assembly Version: 8.0.0.0 Win32 Version: 8.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.VisualBasic/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll ---------------------------------------- FFDShowAPI Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/FFDShowAPI.DLL ---------------------------------------- Interop.DvdCore Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/Interop.DvdCore.DLL ---------------------------------------- Microsoft.DirectX.DirectInput Assembly Version: 1.0.2902.0 Win32 Version: 5.04.00.2904 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX.DirectInput/1.0.2902.0__31bf3856ad364e35/Microsoft.DirectX.DirectInput.dll ---------------------------------------- ArtDownloader Assembly Version: 0.0.0.0 Win32 Version: 0.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/ArtDownloader.DLL ---------------------------------------- Interop.WMPLib Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/Interop.WMPLib.DLL ---------------------------------------- AxInterop.SHDocVw Assembly Version: 1.1.0.0 Win32 Version: 1.1.0.0 CodeBase: file:///C:/Program%20Files/GameEx/AxInterop.SHDocVw.DLL ---------------------------------------- Interop.iTunesLib Assembly Version: 1.12.0.0 Win32 Version: 1.12.0.0 CodeBase: file:///C:/Program%20Files/GameEx/Interop.iTunesLib.DLL ---------------------------------------- msvcm90 Assembly Version: 9.0.30729.4148 Win32 Version: 9.00.30729.4148 CodeBase: file:///C:/WINDOWS/WinSxS/x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.4148_x-ww_d495ac4e/msvcm90.dll ---------------------------------------- Microsoft.DirectX.DirectDraw Assembly Version: 1.0.2902.0 Win32 Version: 5.04.00.2904 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX.DirectDraw/1.0.2902.0__31bf3856ad364e35/Microsoft.DirectX.DirectDraw.dll ---------------------------------------- System.Data Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll ---------------------------------------- System.Xml Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3082 (QFE.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll ---------------------------------------- System.Configuration Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll ---------------------------------------- System.Transactions Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Transactions/2.0.0.0__b77a5c561934e089/System.Transactions.dll ---------------------------------------- System.EnterpriseServices Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a/System.EnterpriseServices.dll ---------------------------------------- Microsoft.DirectX.Direct3D Assembly Version: 1.0.2902.0 Win32 Version: 9.05.132.0000 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX.Direct3D/1.0.2902.0__31bf3856ad364e35/Microsoft.DirectX.Direct3D.dll ---------------------------------------- Microsoft.DirectX Assembly Version: 1.0.2902.0 Win32 Version: 5.04.00.2904 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.DirectX/1.0.2902.0__31bf3856ad364e35/Microsoft.DirectX.dll ---------------------------------------- AxInterop.WMPLib Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/AxInterop.WMPLib.DLL ---------------------------------------- Interop.AVGAComObj Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Program%20Files/GameEx/Interop.AVGAComObj.DLL ---------------------------------------- System.Management Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Management/2.0.0.0__b03f5f7f11d50a3a/System.Management.dll ---------------------------------------- n2kqf6x7 Assembly Version: 0.0.0.0 Win32 Version: 2.0.50727.3614 (GDR.050727-3600) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- "