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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously ...

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

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

Microsoft’s new warning was spotted by Windows Latest. “In an updated support document, the company has confirmed that the ...

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

Neowin also notes another dark side to this latest issue. “Interestingly, Microsoft came up with a technical solution for ...

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

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

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...

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 issues second emergency patch for Windows this month - update your PC today ...