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

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

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

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is investigating reports that its January 2026 security updates are leaving some ...

Microsoft has released Windows 11 KB5074109 and KB5073455 cumulative updates for versions 25H2/24H2 and 23H2 to fix security ...

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure ...

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

Windows 10 users should install update KB5073724 immediately, which fixes several security vulnerabilities in the operating ...

Just in case you thought Windows 11 24H2's issues were over, here's the latest headache from the good folks at Microsoft. It turns out that physical installation media (meaning CDs and flash drives) ...

Microsoft has really stepped in it with the first Windows 11 update of 2026. Reports from annoyed Windows users are cropping ...

Microsoft has released emergency Windows 11 / 10 updates again with KB5078127 KB5078132 KB5078129, and KB5078131.

Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop and Windows 365 connections that emerged after the company's January 2026 ...