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Thanks. I changed the theme to something else and I haven't seen the hang yet. I'm still seeing the exceptions but there don't seem to be any side effects to them so they're probably a red herring.

I just installed GameEx on a clean install XP sp3 with an ATI Radeon X700, latest drivers (tried november release as well with same result) and it always (9/10) hangs when going back up a menu using backspace or when trying to start a game. I attached with windbg and saw a bunch of exceptions of type Microsoft.DirectX.DirectDraw.InvalidRectangleException thrown that look like they're a programmatic fault, not a driver fault. Here is the first instance of this exception in this particular run: 'Microsoft.DirectX.DirectDraw.InvalidRectangleException hit' First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=0012ee4c ebx=e0434f4d ecx=00000000 edx=00000029 esi=0012eed8 edi=00149740 eip=7c812aeb esp=0012ee48 ebp=0012ee9c iopl=0 nv up ei pl nz na po nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000202 KERNEL32!RaiseException+0x52: 7c812aeb 5e pop esi 0:000> !clrstack OS Thread Id: 0x75c (0) ESP EIP 0012ef24 7c812aeb [HelperMethodFrame: 0012ef24] 0012efc8 0d63cdb3 Microsoft.DirectX.DirectDraw.Surface.DrawInternal(Microsoft.DirectX.PrivateImple mentationDetails.tagRECT*, Microsoft.DirectX.DirectDraw.Surface, Microsoft.DirectX.PrivateImplementationDetails.tagRECT*, Microsoft.DirectX.DirectDraw.DrawFlags, Microsoft.DirectX.DirectDraw.DrawEffects ByRef) 0012f01c 0d63cc45 Microsoft.DirectX.DirectDraw.Surface.Draw(System.Drawing.Rectangle, Microsoft.DirectX.DirectDraw.Surface, System.Drawing.Rectangle, Microsoft.DirectX.DirectDraw.DrawFlags) 0012f044 09d3bbb7 k.b(Int32, Int32, System.String) 0012f0c0 0d638dc7 k.al() 0012f3a4 0d633e3a k.ak() 0012f3d4 03c13560 k..ctor() 0012f45c 03c12801 k.a(System.String[]) 0012f69c 79e7c74b [GCFrame: 0012f69c] According to this page (http://www.tar.hu/directx9kick/ch17lev1sec1.html) InvalidRectangleExceptions in DirectDraw are because of out of bounds rectangles passed. I'm not certain this is what is causing the freeze but whenever I break into a frozen instance of gameex there is no interesting managed code on the stack. I am glad to do remote debugging if someone will point me in a particular area to investigate but as of right now I'm pretty stuck.