New Windows 11 KB5074109 Update Breaks Systems – Microsoft Asks Users to Remove Update
ID: 1d90ba98-2ef1-54f7-8146-0e296613a2dd
STIX ID: report--1d90ba98-2ef1-54f7-8146-0e296613a2dd
Feed Name: cybersecurityNews.com
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Microsoft's January 2026 Windows 11 security update KB5074109 (24H2/25H2) delivered 100+ fixes including three zero-days but caused significant stability regressions — graphics driver/DirectX-related lockups and black screens, AVD credential prompt failures (mitigated by KB5077744), Outlook hangs, and cloud-backed app unresponsiveness; Microsoft and vendors recommend workarounds (uninstall update, driver changes, KIR) while balancing patching critical vulnerabilities against system reliability.
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