Windows Update Error Code 800F0900

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  1. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
       New #1

    Windows Update Error Code 800F0900


    I keep getting this code when I attempt to search for new updates see attached. I downloaded the SURT and it installed Hotfix for Windows (KB947821) Successfully. A tech with microsoft had me run the stand alone updater and everytime Windows tries to install the updates most all of them fail. See attached screen shot. I ran the SFC/scannow and it did not find any integrity violations. The compressed CBS file (22.5 MB) exceeded the Max FIlesize of 8 MB so I was unable to attach to this post.

    Please let me know what to try next.

    Thank You
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  3. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
    Thread Starter
       New #2

    I broke the CBS file into three files but the zipped cbs log still excedes the allowed file size. I also only zipped the most recent CBS Persist file. WHen I shut down my PC it says it is installing 144 updates but then fails to configure them and reverts.

    Let me know if you require further information.
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  4. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #3

    Here's the error list from the CheckSUR report.
    Code:
    Unavailable repair files:
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-MiniLP~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-MiniLP~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-TopLevel~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 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.mum
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~~7.6.7600.256.mum
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-AdmComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-MiniLP~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-MiniLP~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-TopLevel~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core-UIComp~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~en-US~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~~7.6.7600.256.cat
 servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~~7.6.7600.256.cat
    I'll post a fix for them later
      My Computer
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  6. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
    Thread Starter
       New #4

    Thank you..accidentally hit solved
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  7. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #5

    I've uploaded a file - evxaa.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 evxaa in the same place.
    Open this folder - there should be one folder 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.
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  8. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
    Thread Starter
       New #6

    I do not see a file titled evxaa.zip to download at the posted link.
      My Computer
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  10. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #7

    Sorry - I uploaded it to the wrong folder
    Should be there now!
      My Computer
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  11. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
    Thread Starter
       New #8

    I do not have the following C:\Windows\Temp\CheckSur\Servicing\Packages there is though C:\Windows\CheckSur\v1.0 containong several WinRar archive files
      My Computer
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  12. EnigmaVXX
    Posts : 11
    Win 7 Home Prem 64bit
    Thread Starter
       New #9

    ran checksur again and now have the folder am coping the files and will run checksur again and post logs
      My Computer
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  13. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #10

    That somtimes happens - create the folder and put the files in ot
      My Computer
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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
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