Microsoft’s May update is failing to install on some Windows 11 PCs

Microsoft’s May security update KB5089549 is failing to install on some Windows 11 machines. Microsoft has now acknowledged ...
Windows Report

Microsoft Confirms KB5089549 Fails to Install With 0x800f0922 Error, Shares Temporary Fixes

Microsoft has confirmed a new Windows 11 KB5089549 install issue causing rollback errors on devices with low EFI partition ...

Microsoft May security patch fails for some due to boot partition size glitch

Consultants see the problem eating away at valuable patch resources because of a lack of Microsoft update hygiene.

Microsoft confirms Windows 11 security update install issues

Microsoft has confirmed that the May 2026 Windows 11 security update (KB5089549) fails to install on some systems and ...
Guru3D.com

Windows 11 KB5089549 Update Causes Boot Loops on Low ESP Systems

Microsoft has officially confirmed that the Windows 11 May 2026 cumulative update KB5089549 triggered installation failures and infinite reboot loops on some systems due to insufficient space in the ...
Forbes

Microsoft Confirms Emergency Windows Update—Your PC ‘Might Fail’

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about cybersecurity, surveillance and privacy. “Reset and recovery operations on some Windows versions might ...
Bleeping Computer

Microsoft: Recent Windows updates may fail to install via WUSA

Microsoft has mitigated a known issue that caused Windows update failures when installing them from a network share using the Windows Update Standalone Installer (WUSA). WUSA is a built-in ...