Windows 7: BSOD while playing games

Sometimes when I play World of warcraft I get this problem. It is not only with this game I get this problem in other games too such as CoD MW2.
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033

Additional information about the problem:
BCCode: 116
BCP1: FFFFFA800442A010
BCP2: FFFFF880048079D8
BCP3: 0000000000000000
BCP4: 0000000000000002
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1



Files that help describe the problem:
C:\Windows\Minidump\120612-24882-01.dmp
C:\Users\EoFBE\AppData\Local\Temp\WER-57…
And my laptop is asus K53Tk
I have uploaded the files needed.
Attachment 244880

STOP 0x116: VIDEO_TDR_ERROR troubleshooting

I used video memory stress test v1.7.116. Below are the results.
Changing video mode to 640x480x16...OK
[12/9/2012 5:25:09 PM] Test started for "Primary Display Driver (AMD Radeon(TM) HD 6520G)"...
Trying 16bpp RGB:565 mode...OK
Trying 16bpp RGB:555 mode...OK
Trying 16bpp BGR:565 mode...NOT SUPPORTED (Code: 80004001)
Trying 32bpp RGB:888 mode...OK
Trying 32bpp BGR:888 mode...NOT SUPPORTED (Code: 80004001)
[12/9/2012 6:43:40 PM] Pass completed (0 errors found).
What do these mean?

That means, your graphics card is free from errors at one pass.

Follow the rest of the guide that is linked.