BleepingComputer

Microsoft fixes KB5089549 Windows security update install issues (opens in new tab)

Covers Status Windows 11 25h2Covered by 4sysops

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

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Covered in 1 article

4sysops·

Microsoft resolves Windows 11 installation error 0x800f0922 caused by small EFI partitions

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