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Microsoft Resolves Windows Task Manager Bug After KB5067036 Update

Microsoft Resolves Windows Task Manager Bug After KB5067036 Update

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

Microsoft has addressed a bug in Windows 11 that prevented users from quitting the Task Manager after installing the optional KB5067036 update released in October 2025. This issue led to multiple instances of the Task Manager running in the background, causing performance problems such as stuttering and CPU hangs for affected users.

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