According to reports we have seen, Windows 11 KB5021255 (version 22H2) and KB5021234 (version 21H2) updates are causing the operating system to Major issues. However, Microsoft has not yet acknowledged the new issues with the December 2022 cumulative update for Windows 11.
First, users reported some installation issues when trying to download the KB5021255 and KB5021234 updates. When the installation fails, users receive a meaningless error that does not indicate what went wrong during the installation process, although this is not a new problem as similar issues are reported almost every month.
Users told us they received error code 0x800f081f when trying to update, and then the installation failed. In some cases, the installation starts but fails midway through the process and the operating system rolls back to the previous version without further details.
This mainly occurs on Windows 11 22H2, as we have received fewer reports from the 21H2 version (original version).
One user noted: "KB5021255 fails to install via Windows Update with error 0x800f081f while the standalone installer is in the Windows Update directory. I have a Surface Book 2 with Windows 11 22H2."
"The cumulative update for Windows 11 version 22H2 (KB5021255) for x64-based systems will fail to install, either as a standalone build or through Windows Update. Throwing a 0x800f0831 installation error," another user observed.
Of course, we've also seen reports of serious problems on systems that successfully installed updates. For example, some people are experiencing another round of performance issues, including a bug where AMD CPUs start randomly freezing for a few minutes, then start running again.
According to users running tests, affected AMD hardware includes the Ryzen 5 4600GE, but clients on Windows 11 21H2 are not affected.
If you installed a third-party application to modify the Start menu or other features of your operating system, and your Start menu stops working after updating, you need to remove it The application or update itself.
"When I clicked on the Start icon, the menu did not appear. I looked in the CrashDumps folder and saw: "StartMenuExperienceHost.exe.10884.dmp," one affected user observed.
In this case, a third-party app called "Explorer Patcher" appears to be conflicting with the December update for Windows 11, and it may break the Start menu.
If the "Start" " menu is not working, press Windows R and type Control Panel. In Control Panel, go to Programs and Features and look for "Explorer Patcher" or a similar application. Finally, click the "Uninstall" button.
It is worth noting that the December 2022 Update (KB5021233) causes a blue screen of death error on Windows 10 machines, Microsoft The report has been officially acknowledged. We haven't heard anything official from the tech giant in the case of Windows 11 failure.
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