C/C++ Runtime errors while playing OpenGL games!

I keep getting these errors when i try to play OpenGL games like RTCW and MOH etc.
Im on-
Windows XP SP-1
p31GHZ
1.5GB SDRAM
GF4MX440 42.30 detonators WHQL’d
Creative SB Audigy gamer with kX driver (was using normal creative drivers but the same problem still happened)