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

Is the recent Windows 11 KB5034765 update making your taskbar disappear or File Explorer crash? Follow our simple ...

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

Windows 11 KB5074109 is wreaking havoc thanks to several issues, with the most serious keeping users out of the operating ...

Microsoft has released another emergency Windows 11 update after a January patch triggered widespread app crashes, Outlook ...

Microsoft’s first big Windows 11 refresh of the year is going so badly that the company is telling people to pull the update ...

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

Microsoft has mitigated a known issue that caused Windows update failures when installing them from a network share using the Windows Update Standalone Installer (WUSA). WUSA is a built-in ...

The most recent January Windows Update is broken on a number of PCs, but at least virtual machines don't seem to be impacted.

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

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