crossfire

I have been getting an error report from xtrap with the following code 05-0400-00000000-533 , I have tried everything to resolve this with no luck . I have uninstalled and reinstalled , I have done the ctrl , alt delete , no help . Ive been playing for a long time and have money invested in the game as well as a lot of time , can you help please I really enjoy the game ! Josiewales .............

Were you running any hacks? Have you downloaded any hacks in the past?