Windows 7 blue screen

Windows 7 blue screen error 1033
I just installed windows 7, believe I have all the drivers installed, the device manager needs no updates, however, I am still getting the blue screen error,
All or any help greatly appreciated,
thanks in advance,
here is the summary:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.48
Locale ID: 1033

Additional information about the problem:
BCCode: 7f
BCP1: 0000000000000008
BCP2: 0000000080050031
BCP3: 00000000000006F8
BCP4: FFFFF80002A46EC0
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1


Is Windows 7 . . .
- x64 ?
- the original installed OS on the system - NO
- full retail version


- What is the age of system (hardware)? 2 years
- What is the age of OS installation ? less then 1 month