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The KB5031455 update to Windows 11 is causing numerous problems. While some systems cannot even install the update, other users report that all kinds of error messages are popping up. On top of all that, some hardware seems to perform worse than before.

A wide range of error messages are being mentioned online, including 0x8000ffff, 0x8007007e, 0x800f081f, 0x800f0984 and 0x80073701. However, there are also Windows users who can’t even get past the installation phase and are met with a frozen screen. It also appears that it’s often not possible to roll back to an earlier update. Games also run measurably worse for some players since the new update. Microsoft has not yet responded to the problems users are experiencing.

On to 23H2

Microsoft previously sowed confusion by announcing several updates with the same features. The previously highlighted 23H2 version of Windows 11 is being rolled out in two parts. First to appear was a 22H2 update (optional in September, forced on Oct. 10), which would be followed up by a so-called “enablement package” to change the version of the OS to 23H2. KB5031455 doesn’t yet come with that package, which Microsoft describes as a “small, easy-to-install “master switch.””

So it could be that Microsoft will release this switch first and then fix any problems that users face by that point. The Home and Pro variants of Windows 11 23H2 will then go on to be supported for 24 months, while Enterprise can count on the usual 36 months of fixes. Either way, all required updates will be stacked, as is the case with an older installation of Windows 11 that connects to the Internet for the first time.


The final 23H2 update will offer the long-awaited Copilot functionality for all Windows 11 users. Those using the Edge browser have been able to use Bing Chat to search the Internet for a while – a similar chat feature appears at the OS level to change system settings, for example. Google recently unveiled similar capabilities with ChromeOS.

Also read: Veeam 23H2 update adds malware detection and Sophos partnership