How to Fix Duplicate Task Manager Error: Step-by-Step Guide

Learn how to fix duplicate task manager error with clear steps, practical tips, and troubleshooting guidance for a reliable result.

Instructions to fix Task Manager error showing duplicate items

Currently the Task Manager error has duplicate entries originating from the KB5067036 update. In addition to waiting for the manufacturer to fix the error, you can also fix it yourself with a few options.

Stop Task Manager within Task Manager itself

If Task Manager is having duplicate files error then stop Task Manager within this application.

We press the key combination Ctrl + Shift + Del to open Task Manager. Then click on Processes , then find Task Manager and click End Task to stop completely.

Stop Task Manager in Command Prompt

If you are using multiple task managers on Windows 11, another way to quickly close a process is to use Command Prompt.

Open the Run dialog box , type cmd, and press Enter. Next, type taskkill.exe /im taskmgr.exe /f and press Enter. All duplicate instances of Task Manager will close immediately.

Adjust the Registry file

If you want to find the best solution, you can adjust the Registry files to ensure that Task Manager is not duplicated or running in the background. But note that adjusting the Registry files will affect the system.

You can try the fix on GitHub at the link below. Once downloaded, open it in Notepad to inspect the file. Double-click the file to add it to your computer's Registry.

https://github.com/SimonMacer/CreateMediaRefresh25H2/blob/main/Other/Resolve%20Task%20Manager%20process%20might%20continue%20to%20run%20in%20background%20after%20app%20is%20closed.reg

If you want to uninstall, open Command Prompt as Admin and enter the command below.

REG DELETE 'HKEY_LOCAL_MACHINESYSTEMControlSet001ControlFeatureManagementOverrides14' /f