anyone know anything about general protection fault errors?

"OS: Windows 2000 5.0 (Build: 2195)
CPU: AuthenticAMD PentiumPro-class processor @ 2094 MHz with 511MB RAM
Video: RADEON 9700 PRO (Omega 2.5.36a) (6436)

General protection fault!

History: USkeletalMeshInstance::Render <- FDynamicActor::Render <- SolidRendering <- RenderLevel <- FLevelSceneNode::Render <- FPlayerSceneNode::Render <- UGameEngine::Draw <- UWindowsViewport::Repaint <- UWindowsClient::Tick <- ClientTick <- UGameEngine::Tick <- UpdateWorld <- MainLoop"

i get this error when playing dif games. i need help