XDA Developers on MSN
Microsoft confirms that a stack of bad Windows updates is causing boot issues
It's not just January's one.
Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...
Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security updates. Users have reported encountering “UNMOUNTABLE_BOOT_VOLUME” errors, ...
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