Task manager does not open after deleting Process Explorer

You have selected that Process Explorer should replace Taskmanager.

Delete the taskmgr.exe key in the registry under

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\

Now You will be able to run Taskmanager again.

1) Go to start menu and open "regedit"

2) Go to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution\taskmgr.exe\

3) Delete the value inside "Debugger"

NOTE: The "debugger" key open program that replace the default task manager"

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