Windows 11 Beta build 26220.7859 arrives with a new Microsoft 365 upgrade prompt in Settings

Windows 11 Insider Preview Build 26220.7859 (KB5077223) arrives in the Beta Channel with minor improvements and bug fixes.

Windows could not start Windows Audio Endpoint Builder service

If Windows could not start the Windows Audio Endpoint Builder service on Local Computer, reinstall the audio driver, restart ...
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Windows Secure Boot Certificates From 2011 Will Be Expiring Soon. What You Need to Know

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

Windows 11 update KB5077181 is causing critical boot loops for some users1 1

KB5077181 is causing devices to restart over 15 times in an infinite loop. Users also report network issues and error codes.

February’s Windows 11 update is causing startup problems for users

Several users are experiencing various issues with system startup after installing the KB5077181 update for Windows 11.