Help plz Erorr

[prosamec]

Build UT2004_Build_[2004-11-11_10.48]

OS: Windows NT 6.1 (Build: 7601)
CPU: GenuineIntel PentiumPro-class processor @ 3059 MHz with 2047MB RAM
Video: No Video

General protection fault!

History: UWindowsViewport::TryRenderDevice <- UWindowsViewport::OpenWindow <- UGameEngine::Init <- InitEngine <- FMallocWindows::Free <- FMallocWindows::Free

Please provide details on how to solve the problem.
Specify the path to the folder where you want to fix that.

[Morello]

Open your program files\steam\steamapps\common\killingfloor folder and delete the system directory. Verify your game cache in Steam - right-click Killing Floor -> Properties -> Local Files -> Verify Integrity of Game Cache - and see if that helps.