missing task manager?

Suddenly task manager is "greyed out" and no longer available from windows security screen. I can locate the file using "search" but when I double click on task manager exc I'm told my administrator has disabled it. How do I fix this please, and what caused it to happen?
Jan, July 2004


done
Enable/Disable Task Manager
This tweak disables user access to Task manager. It must be applied on a user by user basis.


[Start] [Run] [Regedit]
Registry Key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
Modify/Create the Value Data Type(s) and Value Name(s) as detailed below.
Data Type: DWORD Value // Value Name: DisableTaskMgr
Setting for Value Data: [0 = Enabled (Default) / 1 = Disabled]
Exit Registry and Reboot

The Computer Guy, July 2004