KF Game not starting

i just bought the game today off of steam and whenever i try starting it up it gives me this error message





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



OS: Windows NT 6.1 (Build: 7601)

CPU: GenuineIntel PentiumPro-class processor @ 2993 MHz with 3931MB RAM

Video: Intel(R) Q45/Q43 Express Chipset (2869)



General protection fault!



History: CheckTag <- LoadSummary <- ULinkerLoad::ULinkerLoad <- UGameEngine::Init <- InitEngine <- FMallocWindows::Free <- FMallocWindows::Free