Windows 7 BlueScreen Problem

[jewel]

I'm facing a problem with my desktop. from several weeks it displays a blue screen after approximately 2 hours and restarts. here is the problem history :

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: a
BCP1: 839FFFEC
BCP2: 00000002
BCP3: 00000001
BCP4: 828A0F32
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

someone please help.

 

[kemical]

Hi Jewel,

please read: http://windows7forums.com/blue-screen-death-bsod/38837-how-ask-help-bsod-problem.html and post the results, thanks.

 

[jewel]

Here are all the information.

 

[kemical]

Hi,

no dmp file found please post. Did you check your C:/Windows/Minidump folder? Without the dmp file we cannot really help you.