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

Windows 11 Enterprise and IoT get an update disrupting shutdown and hibernation functionality, but a more manual shutdown is ...

Windows 11 KB5074109 is causing crashes, reboots, black screens, and BSOD errors for some users, but workaround is available.

The fix is for a bug that prevents some systems from shutting down, while another bug that prevents hibernation has no ...

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

Microsoft has acknowledged a serious power-state regression affecting Windows 11 version 23H2 systems after the January 2026 ...

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released ...

Ahead of the latest Windows 11 update, users are reporting significant issues that could disrupt their workflow. Here’s what you need to know about the problem and how to address it. Microsoft ...

Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for ...

Microsoft has issued a warning to Windows 11 users over a recent optional software update that has been causing multiple problems. The company says patch KB5043145 is causing some computers to restart ...