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
    2015-01-18T05:38:56+00:00

    I think trying something like partition magic (freeware), to increase the partition size may work. But I haven't tried yet.

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  2. Anonymous
    2015-01-07T04:24:07+00:00

    I've been chasing this issue for 8 months now.

    System:

    Lenovo T530

    Windows 7 factory install with in-place upgrade to Win 8 then upgrade to 8.1

    The MS forums lead everyone on a wild goose chase with changing partition sizes, uninstalling vpn software, uninstalling AV software, contacting MS support, clean booting, etc, etc, etc.

    I was getting these errors installing KB2919355 and the solution for "unable to install... rolling back" was to change the boot mode in the bios from  UEFI to Legacy.

    Here are the log items in case someone else stumbles upon this forum.

    Installation Failure: Windows failed to install the following update with error 0x800F0922: Update for Windows 8.1 for x64-based Systems (KB2962409).

    Installation Failure: Windows failed to install the following update with error 0x800F0922: Windows 8.1 Update for x64-based Systems (KB2919355).

    THE FIX:

    I hate referencing another forum here but this solved my issue:

    search for "uefi-secure-boot-may-cause-windows-updates-to-fail-with-error-code-0x800f0922" on bleepingcomputer forum.

    I hope this helps!

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  3. Anonymous
    2014-10-13T19:14:47+00:00

    Uaaah! I had the same error message and after at least 6 failed attempts I reinstalled Win8.1 from scratch. Then the update worked. Later I was having the same error code 0x800F0922 when I tried to install a later patch. Many different attempts didn't help here either.

    What was the reason? It happened because I had a dual-boot setup with Linux/Grub2 which the Win-installers cannot handle.

    This finally helped me: 

    http://blog.colbornemmx.com/2014/05/windows-81-update-1-fails-with-error.html

    Basically it suggests to restore the initial Win8.1 bootloader (i. e. leave out Grub)

    and then do the Windows update. That worked for me!!! Crazy...

    Hope that helps some people here with dual-boot. After the installation you can restore the original Grub2 bootloader/partition activation.

    Georg

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  4. Anonymous
    2014-09-30T15:43:33+00:00

    EaseUS Partition Manager (Free Edition) worked fine for me when I used it for the same purpose.

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  5. Anonymous
    2014-09-29T16:04:25+00:00

    I solved error 0x800F0922 by disabling the Secure Boot in the BIOS, applying the update successfully, and reenabling the Secure Boot option. It seems there is a conflict there.

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