Possibly, the installation of KB5012170 fails and the 0x800f0922 error code appears due to the UEFI firmware version installed on the Windows 11 PC. Apart from that, the issue only affects the Windows security update for Secure boot DBX KB5012170 and doesn’t affect monthly rollups, latest cumulative security updates, and related.

Fix – Windows 11 KB5012170 Update fails to install, Gives 0x800f0922

If you made up to this blog post, then it’s highly possible that your PC is affected. In this situation, Microsoft recommends users update the UEFI bios to the latest version before attempting to install KB5012170. PCs from different manufacturers have different steps for updating UEFI. So if you don’t know how to do that, then head over to your device manufacturer’s website and search the support tutorial or drop a query on official forums. You can also perform the search query “How to update UEFI BIOS for [Manufacterer name]”, and you will get various tutorials. Once you have updated the UEFI to the latest version available, reboot your computer and try to install the update again. This time it should install successfully without showing you an error code. Alternatively, you can try this common solution listed on the Microsoft website. Microsoft also pointed out that considers this a temporary solution, and it is possible that it will not fix the issue for all users. They’re still investigating the issue and soon release the update with a fix in the upcoming days Does Windows 11 KB5012170 Update fail to install and show you error code:0x800f0922? Is the solution mentioned in this blog post fix the issue for you? Let us know in the comments.