KB5089549 introduces a new change that simplifies the update for the mandatory critical security update on Windows 11.
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Microsoft confirmed that it's aware of an issue where Windows 11 KB5089549 fails to install due to errors such as 0x800f0922.
Microsoft says the new SecureBoot folder created by Windows 11 KB5089549 is expected and tied to Secure Boot certificate updates.
Microsoft confirms the new Secure Boot folder in Windows 11 isn’t a bug, you don’t need to delete it
New “SecureBoot” folder created by Windows 11 KB5089549 is expected behavior for Secure Boot certificates update and not a ...
Not every Windows PC will automatically get the new Secure Boot certificates before the June 2026 deadline. Here's how to check yours and fix it before it becomes a problem.
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Microsoft Secure Boot certificates from 2011 begin expiring in June 2026. Here’s how to check whether your Windows PC has the ...
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