Microsoft has fixed the Windows 11 KB5089549 install error 0x800f0922 through KB5089573 for 24H2 and 25H2 PCs.
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 confirmed that KB5089549 can fail with error 0x800f0922 on Windows 11 devices with low EFI partition space, and shared workarounds are available.
Use these tips to speed up your Windows 11 PC—no matter its age or hardware—while keeping its look and full functionality intact. I've been testing PC and mobile software for more than 20 years, ...