Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

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

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

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

Another week, another big Windows problem.

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

Remember that Windows bug preventing PCs from shutting down or hibernating? It affects more devices than we initially thought ...

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

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

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

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

Windows 11’s optional KB5074105 update fixes the missing password icon bug linked to August 29, 2025’s KB5064081 and delivers ...