A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

Microsoft's KB5077181 security update has caused endless restart loops and system lockouts for Windows 11 users, with no ...

The Sphinx and the Cursed Mummy remaster from 2017 (originally released in 2003) has seen a big upgrade arrive for the ...

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

Windows KB5077181 reportedly causes boot loops, SENS login errors, and DHCP internet failures, but there's a workaround ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent security updates, with the fix ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...

Safe Mode lets Windows start with only essential drivers and services, allowing you to troubleshoot crashes, faulty drivers, ...

Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Windows Thanks to Microsoft adding all those extra features to Notepad, it now unfortunately sports one more: An exploitation vulnerability with a high security rating Platforms Steam Proton will no ...