How To Solve " Windows Task Manager Has Been Disabled By Administrator "

Task Manager is one of the Useful Application embeded in Windows OS . ,
Since it can be used to terminate programs that are unable to stop or misbehaving programs , Checking all running programs and Managing CPU Performance
Many viruses tends to strike it by disabling so to prevent themselves from being stopped or closed through it ..
In such occasions we keep on getting errors that says " Task Manager has been disabled by Administrator " while trying to access Task Manager .


If you on such error you can do this to enable it back ..

Enabling Task Manager in Windows 8 , 7 , Vista or XP using Registry Editor 

-- Click on Start. Go to Run. If you use Windows 8, Windows 7 or Windows Vista, go to Search.

-- Type regedit and press Enter. Registry Editor will start. If Registry Editor is also disabled, you will    first need to enable registry editing.

-- Through the left hand navigation pane, navigate to .

    HKEY_CURRENT_USER\Software\Microsoft\ Windows\ Current Version\Policies\System

If the System key is not there, you will need to create it.
 

-- In the work area, locate "DisableTaskMgr". If this value is not there, you will need to create a new DWORD value called DisableTaskMgr. Double click on it. A window will pop up.
Enter its value data as 0 and press OK.
 

                   

-- Close Registry Editor. If Task Manager is still disabled, restart your computer.

 

 

Enabling Task Manager From Group Policy Editor 

-- Open Start Menu. Windows XP users click on Run. Windows 8, Windows 7 and Vista users, go to   Search.

                
-- Type gpedit.msc and press Enter. Group Policy Editor Window will show up.

-- From the navigational pane at the left hand side, go to:

        User Configuration>Administrative Templates>System>Ctrl+Alt+Del Options.

-- On The RHS double click on "Remove Task Manager" and set its value to Disabled or Not Configured.

-- Restart your Computer to Apply changes


Enabling Through Run Line 

-- Click on Start -> Run  ..Then Type the below command
  
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f