New PC keeps crashing and giving blue screen


I recently built a new Gaming PC and im frequently having blue screen and the system crashes.

The windows XP pro PC crashes almost twice a day, and there is no special scenario to make so that it crashes. the PC crashed while playing games, browsing the internet, or chating...

The PC specs:
Intel Core 2 Quad Q9450

Asus Nvidia GTX 260

Hard Drive:
Seagate Barracuda 7200.11 500GB SATA 3.0Gb/s 32MB Cash

RAM: 53.99$
OCZ SLI-Ready Edition 4GB (2 x 2GB) DDR2 800

Power Supply:
OCZ GameXStream OCZ600GXSSLI 600W ATX12V

So what will happen is that the pc will give ma blue screen and then i have to restart it.
The most frequaent error that i get is: a blue screen saying tcpip.sys and DRIVER_IRQL_NOT_LESS_OR_EQUAL
If i check the error logs by right cliking on my computer --> manage -->Event viewer --> Applications i can see error:
1- LoadPerf EventID 3011
Unloading the performance counter strings for service WmiApRpl (WmiApRpl) failed. The Error code is the first DWORD in Data section.

2- LoadPerf EventID 3012
The performance strings in the Performance registry value is corrupted when process Performance extension counter provider. BaseIndex value from Performance registry is the first DWORD in Data section, LastCounter value is the second DWORD in Data section, and LastHelp value is the third DWORD in Data section.

on some occasions i also got a blue screen with error SCSIPORT.sys and i got once error nv4_disp.dll

I tried installing sp3 and this didnt help. i tired updating my graphic card for the latest driver and this didnt help (actually after updating the driver i was running crysis GPU benchmark and the PC crashed and gave blue screen with error nv4_disp.dll and since then i didnt see this error again)

So any ideas?

Thanks you for your help
7 answers Last reply
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  1. I forgot to add that i have an ASUS P5Q motherboard
  2. I have a similar build, just put it together and am having the same problem.

    What build is your latest XP PRO build no?


    P5Q Deluxe
    Q9550 Quad core
    4x2 ocz reaper 800
    2 seagate bareracuda 320 gig
    asus en9600GT silent Vcool Video card
    PSU Power cooling silencer 750 watt
  3. I think i found what was causing all this mess...
    yesterday i uninstalled ASUS EPU6 engine and things seems to be fine till now... i cant confirm that the problem is fixed, but the PC still haven't crashed today

    So do u have the EPU 6 engine installed?
  4. I confirm that EPU-6 engine is causing problems mentioned here. While I had turned on this aplication on AUTO mode I met plenty of blue screens. If I run on TURBO MODE or HIGH PERFORMANCE I had BS only from time to time (one a week). I think its not a good way for power managment. Best soultion is uninstallation.
  5. you are right.. in my case it was EPU-6 engine that caused it.
    But i got it fixed, I went to ASUS website for support and they guided me to install a new version of EPU-6 (if i remember correctly) and it stopped crashing... Its been a while and im not having this issue anymore

    so i suggest that u go to ASUS website and get the latest version of EPU-6 engine.. if the problem was not solved then email ASUS support, they did a good and fast job in my case.

  6. I already have the latest version from the asus website but the problems still occur. I'll try to write them. Do you run on auto mode all the time?
  7. I checked the email from asus and they asked me to try this version:

    Please install the EPU-Six Engine V1.00.26 for a try:

    mmm no im not on auto all the time.. but i use it quite often.
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