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

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

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

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

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

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...

Microsoft released unplanned updates over the weekend. They correct errors in the January patches and bring new boot certificates.

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

Another week, another big Windows problem.

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