BSOD when I play any game. OS Version: 6.1.7600.2.0.0.256.1

Here is the most recent message I got.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 2057

Additional information about the problem:
BCCode: 116
BCP1: FFFFFA80098AE010
BCP2: FFFFF880040D926C
BCP3: 0000000000000000
BCP4: 0000000000000002
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\093012-21325-01.dmp
C:\Users\Angus\AppData\Local\Temp\WER-96876-0.sysdata.xml

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I originally only got this when I played Arma 2 OA (Dayz more specifically). However now when I play a game as simple as Dawn of War Soulstorm or Minecraft (Tekkit), pixels flash across the screen, then everything goes jumpy as the pixels increase with every jump then half the screen goes black then finally the screen goes completely black with 3 or so red lines going down the screen. i am forced to then restart my pc and I get the above message. If anyone can help it would be GREATLY appreciated.

Here is my mini-dump, I think. Also thank you very much for replying!

Also sometimes i can save my pc if i ctrl, alt del fast enough, however going back into the game will break my pc. If it sucessfully recovers, i get a message AMD driver stopped responding and has sucessfully recovered.

Yea like that. However as I said, I haven't received that message in some time as my pc doesn't have the chance to recover before the black and red screen. However im still getting the 'blue' screen, even though it isn't blue.

I originally thought that it was a hardware problem but I brought my pc to a repair shop and they couldn't find any problems. I think they even put it under a stress test. I think the problem lies in the mini dump files. Are you able to read them, or do you know anyone who can? Also I am near certain heat is not a problem. I dusted my fans quite recently.