System crash

[BuRp]

Hey guys,
So i install windows vista ultimate on my comp like 3 days ago ...and then i install wow patch it up and let it rip ...but everytime i multitask on my dual monitors for example check guides on mozilla or stream some video or listen to music ..the whole comp just locks up...even the music gets stuck on the last note and i have to hard boot ..this doenst help when i play say warhammer ....jsut wow and it restarts at the loading screen of scda ....pls help i really dont know whats wrong and i'm scared if all this hardbooting is gonna ruin my comp
Specs are in sig
Thanks in advance

 

[commissioneranthony]

Try getting a updated video driver and run a program like riva tuner or nvtune or ATI tules to crank up the fans, cause your GPU may be overheating

 

[BuRp]

Tried increasing the fan speed all the way up with evga precision ...still doesnt help ...