Windows Security Update Error Feb 2025 : 0x800f0922

Anonymous
2025-03-13T14:24:46+00:00

Hi all,

Getting Error on around 40 devices for Windows Updates: Installing Feb 2025 Security Update Win 10 64 bit (KB5051974)

We have 1000 devices total and it only seems to be occurring on around 40 of them, but its the same problem on each.

Windows Update forces restart and then after booting back up it says cannot complete update, reverting changes.

Have tried SFC Scannow / DISM Repairs but same issue repeatedly occurs. Also tried manually completing the updates by downloading from the catalog but same error occurs there.

Error Code Showing in Windows Update is : 0x800f0922

Any help would be appreciated.

Windows for home | Windows 10 | Windows update

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  1. Ramesh Srinivasan 88,100 Reputation points Independent Advisor
    2025-03-14T12:05:30+00:00

    Ok. Something is preventing write access to the EFI partition. It's a FAT32 partition. So, the NTFS permissions won't apply. I wonder what's locking that partition.

    From the admin Command Prompt, please run:

    FLTMC

reagentc /info

bcdedit

diskpart

list vol

exit

    Post the output.

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  2. Anonymous
    2025-03-14T12:08:04+00:00

    Here is the Output I received:

    C:\WINDOWS\system32>FLTMC

    Filter Name Num Instances Altitude Frame

    bindflt 0 409800 0

    MsSecFlt 4 385600 0

    UCPD 2 385250.5 0

    WdFilter 2 328010 0

    storqosflt 0 244000 0

    wcifs 0 189900 0

    CldFlt 1 180451 0

    FileCrypt 0 141100 0

    luafv 1 135000 0

    npsvctrig 1 46000 0

    Wof 1 40700 0

    FileInfo 2 40500 0

    C:\WINDOWS\system32>reagentc /info

    Windows Recovery Environment (Windows RE) and system reset configuration

    Information: 

    Windows RE status:         Disabled 

Windows RE location: 

Boot Configuration Data (BCD) identifier: 3ff02553-77ff-11ee-a305-949aa92497b4 

Recovery image location: 

Recovery image index:      0 

Custom image location: 

Custom image index:        0

    REAGENTC.EXE: Operation Successful.

    C:\WINDOWS\system32>bcdedit

    The boot configuration data store could not be opened.

    The system cannot find the file specified.

    C:\WINDOWS\system32>diskpart

    Microsoft DiskPart version 10.0.19041.3636

    Copyright (C) Microsoft Corporation.

    On computer: L20476

    DISKPART> list vol

    Volume ### Ltr Label Fs Type Size Status Info

    Volume 0 C Windows NTFS Partition 235 GB Healthy Boot

    Volume 1 RAW Partition 500 MB Healthy System

    Volume 2 RAW Partition 2442 MB Healthy Hidden

    DISKPART>

    DISKPART> exit

    Leaving DiskPart...

    C:\WINDOWS\system32>

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  3. Ramesh Srinivasan 88,100 Reputation points Independent Advisor
    2025-03-14T12:18:01+00:00

    The EFI and the WinRE partitions show up as RAW. Another user faced this issue last month, but reformatting the EFI partition didn't help.

    Anyway, let's try reformatting and rebuilding it.

    Please create a Windows 10 USB setup disk

    You'll need a USB stick of 8GB or higher capacity to create a USB setup disk. The contents of the USB stick will be erased during the disk creation process.

    Download Windows 10 Media Creation Tool (MCT) from this link:

    https://go.microsoft.com/fwlink/?LinkId=2265055

    After creating the USB setup disk, boot the computer using it. To do so, you may need to change the boot order in the BIOS/UEFI settings. Consult your system or motherboard manual to learn how to access the UEFI settings for your model.

    On the Windows Setup language selection screen, press Shift + F10 to enter Windows RE Command Prompt.

    In WinRE Command Prompt, run these commands:

    diskpart

select disk 0

select part 1

assign letter=Y

list vol

exit

    Using your mobile phone or camera, take photos of the output screen and share the images here.

    Don't quite WinRE yet.

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  4. Anonymous
    2025-03-14T12:31:37+00:00

    Thanks Ramesh - I'll speak to one of our onsite guys and get them to test this with the device.

    Do we know what may have caused this to occur, or what caused it for that other user you mentioned experienced it?

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  5. Ramesh Srinivasan 88,100 Reputation points Independent Advisor
    2025-03-14T12:35:10+00:00

    I'm not sure what causes this issue, Haydar. I guess that a 3rd party driver is causing this. I have seen two other cases with the same issue. One was resolved by formatting the EFI partition, and the other user had to reset Windows.

    Running Process Explorer (as admin) and determining the open handles might help.

    How to Find Which Process has Locked a File in Windows:

    https://www.winhelponline.com/blog/find-process...

    (search for "\device\harddisk" and check the results.)

    Standard Disclaimer: There is a link to a non-Microsoft website. The page appears to provide accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as PUPs (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

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