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Sorry Dave, I’m afraid I can’t do that! PCs refuse to shut down after Microsoft patch

ID: 6ada051d-c47d-5811-9923-e77896b7acbf

STIX ID: report--6ada051d-c47d-5811-9923-e77896b7acbf

Feed Name: The Register (Security)

Date Published: 2026-01-16

Date Updated: 2026-04-26

Author: Carly Page

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Microsoft acknowledged post-Patch Tuesday issues affecting some Windows 11 23H2 systems with Secure Launch, where shutdown, restart, or hibernation may fail after the January updates; a temporary workaround is to force shutdown via the command line (shutdown /s /t 0) while a fix is pending. A separate emerging problem causes classic Outlook POP profiles to hang after the patches. Admins are advised to save work and monitor Microsoft’s status pages for updates.

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