Error: 0x800F0922 when installing KB 2919355

Anonymous
2014-05-14T19:23:49+00:00

This error may appear for multiple reasons. Some common causes are VPN clients and an unexpected System Reserved Partition size.

Try removing any VPN Clients and attempt the update again.

You might be able to fix this problem by using third-party software to increase the size of the System Reserved partition.

If you have tried both solutions and you still experience Error 0x800F0922 please contact Microsoft Support so that we can further investigate your issue.

Windows for home | Previous Windows versions | Windows update

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  1. Anonymous
    2014-05-16T22:45:13+00:00

    My machine's behavior is identical to other users here, with the 99% cutoff during the installation before rollback.

    When I installed my Windows partition I did not specify any System Reserve space/partitions at all, as I figured this would only inconvenience me because I don't/wouldn't use its features.

    Never had anything that looked like a VPN on this machine, either.

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  2. Anonymous
    2014-05-16T23:02:27+00:00

    You should not. It should be a free call.

    Shoulda woulda coulda.

    ¯\_(⊙︿⊙)_/¯ Microsoft.

         Home users of Windows 8.1, Windows 8 and/or Windows 7 SP1 can find free (no-charge) support for security updates (only; problems of a nature other than those with Windows Update will typically entail a fee) by calling 800-MICROSOFT (800-642-7676) in the US, or 877-568-2495 in Canada.

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  3. Anonymous
    2014-05-17T00:24:35+00:00

    This describes my problem exactly.

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  4. Anonymous
    2014-05-17T02:38:42+00:00

    I have been getting error 800F0922 when installing KB2919355. I don’t have Cisco or any third party VPN Clients and I have sufficient space in System Reserved Partition.

    CBS log: 2014-05-15 19:11:55, Error [0x018049] CSI 00000467 (F) Failed execution of queue item Installer: CSI Boot File Servicing (BFSVC) AI ({c5f0e9d7-e844-4507-89e4-701b5a747221}) with HRESULT HRESULT_FROM_WIN32(1392). Failure will not be ignored: A rollback will be initiated after all the operations in the installer queue are completed; installer is reliable (2)[gle=0x80004005]

    Below is what I have done and the update was finally successful.

    1. Fix MBR.
      • bootrec /RebuildBcd
      • bootrec /fixMbr
      • bootrec /fixboot
    2. Assign a drive letter to the system reserved partition and run chkdsk
    3. Run Ccleaner to clean up registry.
    4. Reboot
    5. Run the update through Windows Update and successful.

    Hope this help.

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  5. Anonymous
    2014-05-17T03:39:45+00:00

    "...Run Ccleaner to clean up registry..."

    Excellent news that you were able to get KB2929355 installed.  I wonder, do you happen to know exactly what items CCleaner removed?  Also, what options did you have ticked in the Registry Cleaner list?  For instance, if you're running any version of Piriform CCleaner after v. 1.39.502, you should have an interface similar to this when the Registry button in the left-hand main navigation pane is clicked:

    Did you have each of these items selected as shown above when running CCleaner?

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