BSOD when playing games (BCCode: 116)+multiple components failure

I recently got a problem with sudden BSOD when playing games such as Armed Assault 2 and DCS A10. The problem seems to have build itself up over time. *The BSOD:* The BSOD is similar to other issues on this forum, with sudden stuttering sound, freezing and black screen, and then the computer restart itself. There seems to be no triggers to the cause as it happens at random times...