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  • Windows 11 22H2 update failing with error 0x800f0806, here are potential fixes

    Karlston By Karlston, in Software News, , 1 comment, 256 views

    Estimated reading time: 2 minutes

    As reports had suggested, Microsoft released Windows 11 version 22H2 to the general availability channel on September 20. You can read all about the new exciting stuff in these articles here. A few days before that, some users received the 2022 feature update early with new devices. The machines were shipping with build 22621.521 (KB5017321) which was indeed the 22H2 update as confirmed later by Microsoft.


    Since release, many, however, are reporting of problems and issues when trying to update to Windows 11 22H2. According to these reports, the update is failing with an error code "0x800f0806". This is apparently happening when trying to do an in-place upgrade via Windows Update in Settings due to some compatibility issue or something similar. A clean install though is seemingly working fine.


    Thankfully, a Reddit user by the name rap1021 has found a solution to the issue. Apparently, manually downloading and installing the update seems to bypass this problem caused by trying to do an upgrade via Windows Update. To do so, simply head over to Microsoft's Update Catalog website and download the update.


    Other known solutions like running the "sfc /scannow" via Command Prompt, or resetting the Windows Update mechanism don't appear to be working either according to the same user, and manually downloading the update is seemingly the best bet.


    Another user, CusiDawgs, on the same thread says the latest version of Windows 11 Installation Assistant also resolves the problem. You can download it from Microsoft's official website here.


    Source: rap1021 (Reddit) via CusiDawgs (Reddit)



    Edit: Looks like one of our Neowin members "kiddingguy" had also noticed the issue and came up with the workaround. So here's a shoutout to them!



    Windows 11 22H2 update failing with error 0x800f0806, here are potential fixes


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    There above was said: "Estimated readig time: 2 minutes", but the expected forgetting time was forgotten. It's a bit sad.


    In fact, every long-forgotten old is after some time new again. This error or problem has nothing to do with the specific Windows 11 22H2 update or this KB. The problem is much simpler, this error code says that the installation cannot be done because all the necessary files have not been downloaded or some of them are damaged.

    There are a million+ more reasons why they all hasn't been downloaded, nd then it is natural that if you download the files at a so-called calmer time, one by one and manually, the probability is much higher that all the files will be downloaded without damage.

    Of course, the reason can also be that the machine that you want to upgrade is not completely in order and clean. Hence the conclusion why a complete clean installation succeeds, but the upgrade of the existing version fails. Speccially if wanted to do inplace upgrade, ie keep  all files,  apps and settings. Of course, there are many other options, but generally they are all related to the machine being upgraded, the quality of the Internet connection, and many other factors, including the owner.

    But this problem is not new and has repeatedly been relevant during the updating of several previous versions. But then the KB numbers and OS version numbers were only different. But it's strange that people's memory is so short and goes shorter every day.

    The long-forgotten old seems like new again on one  day,  but usually there is nothing new under the sun, is only forgotten old.

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