Users report that the latest Windows 11 update, KB5039212, is causing serious problems, including boot loops and system crashes. Here's what we know.

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

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 ...

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 ...

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

Your PC's critical security certificates may be about to expire - how to check ...

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

Use these fixes if your Windows PC is stuck in a boot loop after a BIOS update. Before proceeding, disconnect all peripherals and check if your PC boots into Windows. Press and hold the power button ...

That's less time spent looking at yourself in the screen.

First, try turning on your computer by disconnecting all unnecessary devices. If this works, open the Device Manager after logging into your system and check the status of your graphics card driver.

Windows 11 February 2026 update adds Cross-Device Resume, MIDI upgrades, security fixes, and major bug fixes for 24H2 and 25H2.