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 is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
The Register on MSN
Microsoft probes Windows 11 boot failures tied to January security updates
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 ...
2don MSN
'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 ...
Microsoft rolls out Windows 11 Canary Build 28020.1495 (KB5074168) with bug fixes, .webp wallpaper support, and known File ...
Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch.
Microsoft is actively investigating the boot failure reports and working on potential fixes or additional workarounds. If you have downloaded the latest security updates from the January 2026 patch, ...
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