The January 2026 Windows 11 update, KB5074109, might have killed some computers. If you're one of the unlucky ones, here's ...

Microsoft ships Windows 11 KB5074105 to Insiders, raising builds to 26100.7701 and 26200.7701 and addressing multiple system ...

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

A Windows security update bug has prevented some Windows 11 24H2 and 25H2 users from booting into their PCs, requiring them ...

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Microsoft is aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

First, right-click on the Start icon and select Run. When the Run dialogue box pops up, type shell:appsfolder and select ...