Registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
Parameter: DisableTaskMgr
Type: string
Description:
Set this parameter to 1 to disable Task manager, default =0


Registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
Parameter: DisableTaskManager
Type: string
Description:
Set this parameter to 1 to disable Task manager, default =0 (SP2 is needed)