KB5034765 and KB5034204 fail with the error 0x800f0922

windows 10 0x800f0922 undoing changes reboot loop

The KB5034204 (2014-01) and KB5034765 (2014-02) Cumulative update may fail with the error code 0x800f0922, which indicates a rollback has occurred.

The update fails due to a version mismatch error. The CBS.log file may show the following entry:

Error 0x80070519 in WinREAgent::WinREServicingManager::InternalLoad (base\diagnosis\srt\winreagent\dll\winreservicingmanager.cpp:1044): Version mismatch, saved Servicing manager is in a different version

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Error 0x80070643 Installing KB5007651 (Update for Windows Security platform)

kb5007651 error 80070643

Windows 11 users are seeing the error 0x80070643 (“Fatal error during installation”) when installing KB5007651 (Update for Windows Security platform) via Windows Update. Here’s the error message verbatim: Updates failed Update for Windows Security platform – KB5007651 (Version 1.0.2109.27002) Install error – 0x80070643 [Fix] Error 0x80070643 Installing KB5007651 Many users have indicated that the following … Read more

Restore Missing Windows Update (wuauserv) Service in Windows 10/11

windows update service missing in the list

The Windows Update service (wuauserv) enables the detection, download, and installation of updates for Windows and other programs. If this service is disabled, users of this computer will not be able to use Windows Update or its automatic updating feature, and programs will not be able to use the Windows Update Agent (WUA) API.Read more