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Error Installing SP1 in Vist - wdf01000.sys

I tried to install SP1 on a customer's Vista laptop today. It took about 2 hours then eventually a black screen appeared and it started working through 95,583 files until it reached 3790/95583 and stuck, where it remains now.

The white writing is as follows..

!! (4) !! 3790/95583 (wdf01000.sys)

The screen flickers as if trying to move on but can't get beyond this point.

I have tried restarting using last known good config but the same thing happens.

I have also tried the repair option of system restore but that ran for about 4 hours without anything happening.

Is there anything I can try or would it be easier to backup and reinstall from scratch?
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  1. alfarom said:
    I tried to install SP1 on a customer's Vista laptop today. It took about 2 hours then eventually a black screen appeared and it started working through 95,583 files until it reached 3790/95583 and stuck, where it remains now.

    The white writing is as follows..

    !! (4) !! 3790/95583 (wdf01000.sys)

    The screen flickers as if trying to move on but can't get beyond this point.

    I have tried restarting using last known good config but the same thing happens.

    I have also tried the repair option of system restore but that ran for about 4 hours without anything happening.

    Is there anything I can try or would it be easier to backup and reinstall from scratch?

    Format the drive & reinstall.
  2. I have fixed the problem by simply copying another copy of wdf01000.sys from the winxs folder to c:\windows\system32\drivers and the service pack installation carried on normally after that and Windows booted with everything working..
  3. Would you be able to instruct a fairly knowledgable user how to accomplish this copy. My PC wont boot but I know how to get to the cmd prompt. Can you give me further instructions on where to find the winxs folder and how to copy to the system32 drivers file.

    Thanks for your help.
  4. alfarom said:
    I have fixed the problem by simply copying another copy of wdf01000.sys from the winxs folder to c:\windows\system32\drivers and the service pack installation carried on normally after that and Windows booted with everything working..

    Man, you saved ma life, cos a I would never think about to do something with the file without your hint! But I had to delete wdf01000.sys from the directory c:\windows\system32\drivers to the sp1 istallation Works properly. thanks a lot!
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