RTCWolfenstein -> Error-> ATI09XX

Please help A.S.A.P. My RTCW has an error when loading a level. It says: WolfSP has caused an error in ATI09XXX.DLL. I contacted ATI and Activision and they said to re-install the game and the drivers. That is what I did but it didn’t work. I lreadycalled up ATI but they have bad(really bad) support. Please help. I am going in a tournament two days after the day I wrote this (2/16/03). Respond A.S.A.P.