System error 102

[Deimos_06]

Hi, i have been having problems with my computer. Everytime i start a game it crashes within a few minutes abd i get a blue screen. I have tried reinstalling window xp a number of times with no results.

system error 102, event id 1003

error code : 10000050, parameter1 cb1fb4e9, parameter2 00000000, parameter3 bfa7df77, parameter4 00000000

also attached 2 minidumps. Any help would be appreciated.