Fixing Task Manager Issues
Press Windows+I to open Settings.
Fix: Task Manager Not Working in Windows 11
Then go to Control Panel .
Under View , select Show small icons .
Fix: Task Manager Not Working in Windows 11 1
In the left pane, click Troubleshoot .
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Now click on Run maintenance tasks under the System luxembourg mobile database and Security tab.
Then follow all the instructions displayed on the screen and complete the maintenance tasks.
Fix: Task Manager Not Working in Windows 11 3
Fix 2: Check for Windows 11 Updates
Press Windows+I to open Settings.
Fix: Task Manager Not Working in Windows 11 4