OS: Windows XP 5.1 (Build: 2600)
CPU: GenuineIntel PentiumPro-class processor @ 2512 MHz with 2047MB RAM
Video: ATI Radeon HD 4800 Series (6936)
Error setting display mode: CreateDevice failed (D3DERR_INVALIDCALL). Please delete your KillingFloor.ini file if this error prevents you from starting the game.