Task Manager has been disabled by your admin

Task Manager has been disabled by your admin
Task Manager has been disabled by your administrator
Enabling Task Manager from Group Policy Editor
1. Go to “Start” -> “Run” -> Write “Gpedit.msc” and press on “Enter” button.
2. Navigate to “User Configuration” -> “Administrative Templates” -> “System” -> “Ctrl+Alt+Del Options”
3. In the right side of the screen verity that “Remove Task Manager”" option set to “Disable” or “Not Configured”.
4. Close “Gpedit.msc” MMC.
5. Go to “Start” -> “Run” -> Write “gpupdate /force” and press on “Enter” button.

Enabling Task Manager from the Run Menu
Go to Start –> Run and copy and paste the following and press OK.

REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f