Microsoft warned customers on Tuesday that they may have issues installing the latest monthly updates on some Windows devices that were upgraded to Windows 11 24H2 or 25H2.

Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). As Microsoft explained when it acknowledged ...

Microsoft confirmed that KB5089549 can fail with error 0x800f0922 on Windows 11 devices with low EFI partition space, and shared workarounds are available.

Windows 11 May 2026 update fails on some PCs, but Microsoft has already shipped a workaround, and it's working on a permanent fix.

Microsoft warns some Windows 11 24H2 and 25H2 PCs may fail to install monthly updates, triggering error codes 0x80073712 and 0x800f0993.

Here's what those enrolled in the Windows 10 Extended Security Updates program need to know about each monthly security ...