Windows Update failed error code: 800F0900

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  1. Posts : 6
    Windows 7 Home Premium 64bit
       #1

    Windows Update failed error code: 800F0900


    Hi,

    I have encountered error code 800F0900 with the recent Windows Update process. The followings are my screen shots and CBS logs for your perusal.

    Thanks for taking time to solve my problem.

    Regards.
    STLai
      My Computer


  2. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #2

    Please follow the Windows Update Posting Instructions and post the requested data
    If the file is too large (8MB compressed), remove the older CBSPersist cab files until the final file is below the limit - you can always post them separately after zipping them. (the forum doesn't allow the upload of bare CAB files, for a number of reasons)
      My Computer


  3. Posts : 6
    Windows 7 Home Premium 64bit
    Thread Starter
       #3

    Hi Noel,

    I have run the CHECKSUR and attached herewith the zip file for CBS logs for your perusal.

    Thanks for your time to attend my problem.
      My Computer


  4. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #4

    Just the one error in CheckSUR...
    Code:
    Unavailable repair files:
     servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
     servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
    SFC was clear - and no background errors in the CBS.log, at least.
    I'll post a fix for the file errors later.
      My Computer


  5. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #5

    I've uploaded a file - stlaa.zip - to my OneDrive at Noel's OneDrive
    Please download and save it.
    Right-click on the downloaded file, and select Extract all…
    Extract to the default location - which will create a new folder stlaa in the same place.
    Open this folder - there should be one folders inside it (Packages)

    Copy the content of the Packages folder to the folder
    C:\Windows\Temp\CheckSur\Servicing\Packages

    Now run the CheckSUR tool again (it may take a while)

    Post the new CheckSUR.log file, and the CheckSUR.persist.log file.
      My Computer


  6. Posts : 6
    Windows 7 Home Premium 64bit
    Thread Starter
       #6

    Hi Noel,

    I have followed your instruction to download the package and run sfc /scannow, and I attached the CBS.zip file for your perusal.

    I tried to manually run windows update from control penal, seems like the 800F0900 still happened. Do I need to restart windows and try to update again?

    Thanks.
    STLai
      My Computer


  7. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #7

    You only posted the CBS.log file - not the CheckSUR log.
    I can't even tell whether you ran the CheckSUR tool after copying the files?

    Please post the requested data.
      My Computer


  8. Posts : 6
    Windows 7 Home Premium 64bit
    Thread Starter
       #8

    Hi Noel,

    Ok. I have recopied the package folder into Windows\temp folder and run sfc /scannow. The CBS log folder only contains 1 log file:CBS log file. I can't find the CBS persist file generated. Please refer to my CBS.zip attachment:

    I am not sure what procedure that I have missed.

    Thanks.

    Regards,
    STLai
      My Computer


  9. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #9

    This is what I'm talking about - CheckSUR rather then SFC/CBS

    Please download and save the CheckSUR tool from http://support.microsoft.com/kb/947821
    (you'll need to look in the details for Windows 7, downloading from the Microsoft Download Center)

    Run it - The tool can take anywhere from 5 mins to a couple of hours to run (or 'Install') depending on how much it has to do, and may exit silently - it may appear to freeze for most of that time, but be patient.
    The result is logged in the C:\Windows\Logs\CBS\CheckSUR.log file - and an archive …\checksur.persist.log file

    Then zip the CheckSUR.log and upload it to your OneDrive Public folder so I can take a look - post a link in your reply.
      My Computer


  10. Posts : 6
    Windows 7 Home Premium 64bit
    Thread Starter
       #10

    Hi Noel,

    Sorry for the delay... Here is the full set of CBS logs:

    Thanks for taking time to solve my problem.

    Regards,
    STLai
      My Computer


 
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