Windows 11 KB5067036 has a bug that causes the Task Manager instance to duplicate every time it is closed, potentially hurting PC performance.
The update, released on October 28, includes a new Start menu, colorful battery icons, and a Recommended feed in File Explorer. However, it also introduced the Task Manager issue, which has been reported by 30% of 100 virtual machines tested.
Microsoft hasn’t acknowledged the reports yet.
Author's summary: Windows 11 KB5067036 has a bug causing Task Manager duplication.