'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 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 ...

Windows 11 update may stop some PCs from booting, warns Microsoft

Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest ...
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Microsoft suspects some PCs might not boot after Windows 11 January 2026 Update (KB5074109)

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