Randomly occurring BSOD (STOP: 0x0000003B)

Hi, I've had my current computer for about a year now, and for the first time yesterday a BSOD appeared. It seemed to happen randomly whilst I was waiting for a game I play (The Sims 3) to update. Other than the update window nothing else was running except for background applications. It came up with the following error: *SYSTEM_SERVICE_EXCEPTION STOP: 0x0000003B (0x00000000C000001D,...