Pavilion g6-2160se blue screen locale ID 1033

Hi there
I got a Blue Screen Problem with a

problem signature

problem event name: Blue Screen
Locale code:1033
OS version :6.1.7601.2.1.0.256.1

Additional information about the problem
BCCode: 3b
BCp1: 00000000C0000005
BCP2: FFFFF9600021AEB4
BCP3: FFFFF8800AE87970
BCP4: 0000000000000000
I have an HP Pavilion g6-2160se and the operating system is Windows 7 ultimate 64 bits
PLz Advise and thanks in advance