- Click Start
- Click Run
- Enter gpedit.msc in the Open box and click OK
- In the Group Policy settings window
- Select User Configuration
- Select Administrative Templates
- Select System
- Select Ctrl+Alt+Delete options
- Select Remove Task Manager
- Double-click the Remove Task Manager option
And as I mentioned above, since the policy is Remove Task Manager, by disabling the policy, you are enabling the Task Manager.
Got XP Home – use the registry edit.