How to Fix Task Manager Disabled by Administrator in Windows

Registry Trick

1) Click Start  >>  Run  >>  type "regedit" ( without quotes )  >>  press Enter to Open Registry Editor.

2) Now navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies\System.

3) Here look for Registry Key named like "DisableTaskMgr" in the Right Pane. If you find this just simply Delete the key or Set its value to 0 by Double Clicking on it.

Group Policy Trick
If you not find any Registry Key named like "DisableTaskMgr" then alternatively use this Trick.

1) Click Start  >>  Run  >>  type gpedit.msc  >>  press Enter to open Group Policy.

2) Now Navigate to User Configuration  >>  Administrative Templates  >>  System  >>  Ctrl+Alt+Delete Option  >>  Remove Task Manager.

3) Now Right Click it  >>  Edit  >>  Select Not Configured  >>   Apply  >>  OK and Exit.


4) Now Restart the Computer and the Error must be Fixed.