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

Windows 11 KB5067036 Issue

Windows 11 KB5067036 has a bug that causes the Task Manager to duplicate every time it is closed.

This issue may hurt PC performance, especially for those who frequently open Task Manager.

The update was released on October 28 as an optional update with a new Start menu and other design improvements.

Other changes include new battery icons, a Recommended feed in File Explorer, and the ability to shut down Windows using Update & Shut Down in the Start menu.

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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