Win7 Task Manager error has been disabled by the system administrator What to do

Recently, after downloading the Win7 64-bit system, the user opened the task manager and errored and prompted "The task manager has been disabled by the system administrator" (see below) The figure shows that the task manager can not be opened normally. This problem is mainly caused by the system enabling the delete task manager. We can fix the problem that the task manager cannot be used in the following way.
Solution /Step:
1. Click the win and R key combination on the keyboard to open the running window, enter the “gpedit.msc” character in the search box, and then click Enter, as shown below. :
2, after the local Group Policy Editor window opens, expand the following options one by one; User Configuration, Administrative Templates, System, Ctrl+Alt+Del Options “, then find in the list on the right & delete; “delete‘ Task Manager & rsquo; & ldquo; and double-click, as shown below:
3, this time will pop up a settings window, click inside the "not configured" option, then click & rdquo; application & mdash; determine “ button will It can be saved and modified, as shown below:
4, after completing all the above operations, then click the combination key ctrl+alt+del, this time you can quickly open the system task manager.