A strange bug in Windows 11 KB5067036 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. It also fixes issues with shutting down the system using Update & Shut Down in the Start menu's power options.
30% of our 100 virtual machines have run into this odd bug.
Author's summary: Windows 11 KB5067036 has a bug causing Task Manager duplication.