Solved BSOD playing gta4 and L4D2 and every hour or so

[borisruls]

hi,
Apologies if im not doing this right. Lately ive been getting frequent bsods usually when playing games like L4D2 and Gta or every hour. Here is what i get when my pc restarts:
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 4105

Additional information about the problem:
BCCode: 4e
BCP1: 0000000000000099
BCP2: 00000000000B9631
BCP3: 0000000000000002
BCP4: 00000000001419B0
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\110912-24164-01.dmp
C:\Users\Boris\AppData\Local\Temp\WER-57564-0.sysdata.xml

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Just incase here are my specs:
intel core i5 3570k (stock)
Nvidia GTX 660 ti
Gigabyte b75m-d3h
4x2gb sticks gskill ram
WD caviar green 1.5tb
Windows 7 home premium 64bit (system builder version)

Any suggestions will be appreciated

 

[borisruls]

got a new bsod today:
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 4105

Additional information about the problem:
BCCode: 1000007e
BCP1: FFFFFFFFC0000005
BCP2: FFFFF80002FAAA1D
BCP3: FFFFF8800394DFA8
BCP4: FFFFF8800394D800
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\111012-15522-01.dmp
C:\Users\Boris\AppData\Local\Temp\WER-47861-0.sysdata.xml

any help would be thanked