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. It also fixes issues with Windows shutdown when using Update & Shut Down in the Start menu's power options.
Notably, the Task Manager has seen changes, but the duplication issue remains unacknowledged by Microsoft, affecting 30% of 100 virtual machines tested.
KB5067036 (Build 26200.7019 or 26100.7019) was released as an optional update.
Users who frequently open Task Manager should be cautious, as this bug may impact their PC's performance.
Author's summary: Windows 11 KB5067036 has a Task Manager duplication bug.