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Microsoft: Some Dell PCs shut down after recent Windows updates

Microsoft is blocking this month's Windows 11 security updates on some Dell devices because they are causing shutdowns and performance issues.

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Curated Jul 15, 2026 by Aidan Duffy, Threat intelligence editor, AHackaday./Methodology/Sources verified.

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cross-platform summaryLive chatter is accelerating; analysts are actively validating impact.