Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates.
https://www.bleepingcomputer.com/news/microsoft/microsoft-investigates-windows-11-boot-failures-after-january-updates/
BleepingComputer
npub1pk…z6763
2026-01-25 13:24:13 UTC
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npub1pkrnqz97z2wckgmwglckccgg65eanvw3wpvuses7npqlvv6st06svz6763Seen on
wss://relay.momostr.pinkPublished at
2026-01-25 13:24:13 UTCEvent JSON
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