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 has fixed the Windows 11 KB5089549 install error 0x800f0922 through KB5089573 for 24H2 and 25H2 PCs.

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

Windows update with a stumbling block: The May update for Windows 11 failed for some users with error code 0x800f0922 – ...

On this support page, Microsoft advises users who are experiencing installation problems with May update KB5089549 to install the optional update KB5089573, which should resolve the issue. If you ...

Windows update fail. Microsoft has finally fixed the issue “where some devices might enter BitLocker Recover y after updating boot files.” That left frustrated PC owners hunting for recovery keys ...

Microsoft has resolved Windows 11 KB5089549 install failures tied to low EFI partition space through KB5089573, which also brings a ton of other improvements.

Microsoft has been trying to optimize Windows as of late, offering performance improvements and introducing suggested feature additions, but things aren't still a work in progress. Case in point, ...

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.