Computer help: Blue Screen Of Death

Blue Screen Of Death

I have recently been experiencing blue screen errors on my PC.
I have been running the system for 2 or 3 months now and it has worked fine it is only recently I have experienced the problem. I believe my system is a reasonable temperature to operate. Microsoft said it was possibly a hardware issue

I am running a custom built PC with:

Intel core 2 quad Q9550 @ 2.83Ghz
4 GB DDR3 OCZ RAM
320GB hard drive
BFG nVidia G force GTX26660 896mb
Widows Vista Home premium 32bit (fully licensed)

the error I am experiencing is:
Problem signature
Problem Event Name: BlueScreen
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 2057

Files that help describe the problem (some files may no longer be available)
Mini070909-02.dmp
sysdata.xml
Version.txt

Extra information about the problem
BCCode: 1000008e
BCP1: C0000005
BCP2: 82D7F507
BCP3: 8BDD1700
BCP4: 00000000
OS Version: 6_0_6002
Service Pack: 2_0
Product: 768_1
Server information: 2d692218-1abc-434a-a762-11a9cc4239b8

Fault bucket 0x8E_dxgkrnl!VIDMM_GLOBAL::ReferenceAllocationForPreparation+13, type 0
Event Name: BlueScreen
Response: None
Cab Id: 0

Attached files:
C:\Windows\Minidump\Mini070909-02.dmp
C:\Users\Aaron\AppData\Local\Temp\WER-519015-0.sysdata.xml
C:\Users\Aaron\AppData\Local\Temp\WER2592.tmp.version.txt
Event ID: 1001

PLEASE SAY IF MORE INFO REQUIRED

I would greatly appreciate your help thank you tommos27