Windows 11 KB5067036 issue: Task Manager won’t close and duplicates, may hurt performance

Windows 11 KB5067036 Issue: Task Manager Won't Close and Duplicates

A strange bug in Windows 11 KB5067036 causes the Task Manager to duplicate every time it is closed, potentially hurting PC performance.

KB5067036 (Build 26200.7019 or 26100.7019) was released on October 28 with new features, including a redesigned Start menu and colorful battery icons.

Microsoft hasn't acknowledged the reports yet.

The update also improves functionality, such as allowing Windows to shut down when using Update & Shut Down in the Start menu's power options.

Author's summary: Windows 11 KB5067036 has a Task Manager bug.

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Windows Latest Windows Latest — 2025-10-29

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