Based on the information on the Microsoft feedback hub, users are experiencing issues when dealing with Windows 11 22H2 KB5021255 and Windows 11 21H2 KB5021234 updates. On the other hand, Microsoft hasn’t openly pointed out these new issues affecting their OS. The commonly reported issue is failed installation when downloading KB5021234 and KB5021255 updates.
In such cases, there is no better information displayed that can help users find a possible fix. However, this isn’t a big deal because users often report it, even with previous updates. Whenever an update is attempted, it returns an error code 0x800f081f. In such a scenario, the installation will be initiated but fail along the way leaving the users disappointed. However, your OS will revert to the previous build after a failed uninstallation attempt.
KB5021255 And KB5021234 Issues
Windows 11 22H2 users report the most issues with KB5021255 and KB5021234; 21H2 users report the same reports. According to Windows 11 22H2, user KB5021255 returns a 0x800f081f after a failed installation. This is observed even when the update is carried out using standalone installer or Windows update. Another user reported the same issue with Windows 11 Version 22H2 for x64-based Systems users, who also stated that even the standalone install download from the Windows update catalog could not install.
In cases when the installation was successful, some users still experience certain performance issues. AMD CPU randomly freezes up for minutes and then resumes its functionality again. This issue mostly affects Ryzen 5 4600GE AMD hardware. After some clients who run some tests on Windows 11 21H2 to determine the extent of its effect, the findings were clear that they were not affected by these issues.
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Broken Start menu?
Are you using third-party customization tools to modify your start menu or operating system features? In such a case, you will likely have a broken start menu, and the best fix is to uninstall or update the customization tool. After clicking the start icon, the menu vanishes, and all you see on a CrashDumps folder is a StartMenuExperienceHost.exe.10884.dmp. It’s easier to conclude that the explore patcher conflicts with the Windows 11 December update causing the start menu to disappear. However, you can fix the issue by following the steps below
- Press Windows + R and type Control panel and enter
- Select programs and features
- Find Explore patcher or a similar app and uninstall it in
The KB5021233 update broke Windows 10 PCs with BSOD error, it’s a relief because Microsoft acknowledged the issue and provided a possible fix. However, if there is a Windows 11 failure, we must wait a little longer for the software giants to address the issue.
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