My computer when gaming crashes back to the desktop or sometimes just reboots itself completely .Ive tried many games and they all seem to crash within 5 minutes.Everything is up to date in terms of virus protection and window updates and all drivers.I've checked for spyware adware and virusus and everything seems fine.Temps for eveything are good ,this is driving me nuts and I cant figure out what it is.specs>:amd athlon xp 2.3gh barton core.,asus a7n8x-e delux mobo 786 ddr ram,ati radeon 9600xt with 5.4 omega drivers.sound blaster,antec trupower 380 [brand new[.windows xp service pak 2 with all updates 
