hi all, i'm having problems with system stability. i've tried what would seem like everything, yet i can't even narrow down the possibilities of why my system locks up. lockups occur somewhat randomly, varying in time since booting. lockups are sometimes caused while playing music, either through media player or winamp. sometimes network activity such as copying files from one machine to another causes a lockup. sometimes i would leave the pc idle and come back to find its frozen. one sure program to lock up is Stronghold. the game is patched but it always freezes without fail. i've updated all drivers. i've updated all software. i've torture tested the pc with Prime95 and it was still going after 29hrs. the last couple hours i've had resets as well as lockups. i've tried exchanging the video card and the problem remains. i've tried a fresh format and install of windows and the problems remains. what can i do now?? config: AthlonXP 3200+ 1GB Kingston Hyper X DDR 400 MSI KT6 Delta Geforce 4 MMX440 (dont make fun of me i sold my 9600xt to upgrade and then bought something else :x: doh!) windows xp pro sp2