DOOM 3: BFG Edition
Technical Support please
I try to run the game and either immediately on startup or as the actual gameplay is loading I get the message:

DeviceKey : \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003
dmPosition.x : 0
dmPosition.y : 0
dmBitsPerPel : 32
dmPelsWidth : 1280
dmPelsHeight : 720
dmDisplayFlags : 0x0
dmDisplayFrequency: 60
Checksum failure for generated/images/env/cloudy#__0202.bimage.
Shutting down OpenGL subsystem
...wglMakeCurrent( NULL, NULL ): success
...deleting GL context: success
...releasing DC: success
...destroying window
...resetting display
...shutting down QGL
...unloading OpenGL DLL

Does anybody have any idea what the hell this means and how I can get it to actually play?