Microsoft investigates Windows 11 boot failures after January updates

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

Some PCs are failing to boot after this month's Windows Update

Another week, another big Windows problem.

Microsoft confirms boot issues with its latest Windows 11 update.

Microsoft has confirmed that the boot failures with its January 2026 Windows 11 update are limited to “commercial” PCs and happened due to the December 2025 update failing to install and PCs being ...

Microsoft's emergency patch broke Windows 11/10 further, KB5078127 KB5078132 fix out0 0

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

Windows 11 Shutdown Bug Explained: Why Your PC Won't Turn Off and How to Fix It

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs ...

Windows PCs ‘Suddenly’ Fail After Microsoft’s New Update

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

'Devices are failing to boot': Why the latest Windows 11 bug could cause Microsoft more grief

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

Troubled Windows 11 January Patch Now Preventing Some PCs From Booting Up

After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft ...

I tried this free Microsoft cleanup tool to see if it'd speed up my Windows PC - here's the result

To grab PC Manager, head to its dedicated product page or go directly to its Microsoft Store page. After installation, open the program. If you wish, you can set it to start up automatically each time ...