How to enable Task Manager after disabling

Task Manager crashed from work, this problem is due to a variety of reasons I will 

mention the most important are viruses and once entered on the device immediately 

disabled certain functions such as Task Manager and Regedit, and host of other features

When we want to Task Manager show us this letter which we will eliminate them
Task Manager has been disabled by your administrator

 

Steps :

1 - Click on Start.
  
2 - Click on Run.

3 - then type this command :

gpedit.msc

4 - Then click on OK.

5 - Then we'll see a window DoubleClick on User Configuration

6 - and then turn to the right side and choose Administrative Templates by clicking on it DoubleClick.

7 - And then choose System.

8 - Then choose Ctrl + Alt + Del Options.

9 - DoubleClick on Remove Task Manager.

10 - then make a mark on Not Configured option.

11 - Finally, we press Apply and the  

                                                    

12 - Re-Boot your device & Operation was successfully completed!.