Task Manager Enable

How to Enable the Task Manager?

  some times when you try to open Task Manager, you find that "Task Manager" option has been disabled.

       

   

when ever try to run it press ctrl+alt+del

OR

press win+r to open run dualog box and type tskmgr . you will face error like this given below  

2 reason could be possible:

1. Your system has been infected with virus and it has disabled the Task Manager.
2. Your system administrator applied the restriction using Registry Editor or Group Policy Editor.

Process of enabling and disabling process :
1. Type regedit in RUN dialog box or Start Menu Search box and press Enter. It'll open Registry Editor.
 2. Now go to following folder in left sideshown on registry edit:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
           HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System
           HKEY_USERS\.default\Software\Microsoft\Windows\CurrentVersion\Policies\System 
  
 find a DWORD value "DisableTaskMgr" in right-side pane and delete it to press del button. that shown below:

Then try to open task manager you would see task manager has been enabled.