Prevent Access to Task Manger(Remove Trojan Affect)

Certain times you see a dialog "Task Manager has been Disabled".Mostly this is because some trojan or virus have affected your computer.You can mannualy Enable/Disable this control from Policy Editor

To make the above setting follow the below steps:

1.Type "gpedit.msc" without quotes in Run command
you get the policy editor Window.
2.Navigate and find the Part : User Configuration\Administrative Templates\System\Ctrl+Alt+Del Options
3.Select the Setting "Remove Task Manager" and double click to the properties.
4.Set it Enabled and Apply.
5.After the next login You can see the change
6.If You want to Disable it,set the property as Disabled.
7.Exit the editor