Description Prevents users from starting Task Manager (Taskmgr.exe).
This entry stores the setting of the Disable Task Manager Group Policy. Group Policy adds this entry to the registry with a value of 1 when you enable the policy. If you disable the policy or set it to Not configured, Group Policy deletes the entry from the registry and the system behaves as though the value is 0.
Value Meaning 0 (or not in registry) The policy is disabled or not configured. Users can run Task Manager. 1 Users cannot run Task Manager. If a user tries to start Task Manager, a message appears explaining that a policy prevents the action.
Task Manager lets users start and stop programs; monitor the performance of their computers; view and monitor all programs running on their computers, including system services; find the executable names of programs; and change the priority of the process in which programs run.