Enabling Task Manager if it is Disable !!

Method no. 1

1. Go to Start -> Run -> Write regedit and press on Enter button.

2. Navigate to the following registry keys and verity that following settings set to default:

Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
“DisableTaskMgr”=dword:00000000
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\System]
“DisableTaskMgr”=dword:00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system\]
“DisableTaskMgr”=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
“DisableCAD”=dword:000000003. Reboot the computer.

Method .2

1. Go to Start - Run -> Write Gpedit.msc and press on Enter button.

2. Navigate to User Configuration - Administrative Templates -> System - Ctrl+Alt+Del Option

3. In the right side of the screen verity that Remove Task Manager option set to Disable or Not Configured.

4. Close Gpedit.msc

5. Go to Start - Run -> Write gpupdate /force and press on Enter button.