RTCW Crashes

[Illmatic13]

I been playing return to castle wolfenstein for a year. But lately I been having problems when im playing online the game crashes and i get an error saying The application, C:\Program Files\Return to Castle Wolfenstein - Game of The Year Edition\WolfMP.exe, generated an application error The error occurred on 10/13/2007 @ 00:55:23.593 The exception generated was c0000005 at address 3002C70F (cgame_mp_x86!vmMain) I have no idea what this means. Any help please