Error Message: "The command prompt has been disabled by your administrator"

When you attempt to run CMD.exe or a batch file, you may receive the message

"The command prompt has been disabled by your administrator".

This is caused by restrictions placed in Registry. 

Method 1: Using the console registry tool

Click Start, Run and type this command exactly as given below: (better - Copy and paste)

Method 2: Using Group Policy Editor in Windows XP

Navigate to

User Configuration \ Administrative Templates \ System

Double-click the Prevent access to the command prompt

then Disable or set the policy to Not Configured

Error Message: "Task Manager has been disabled by your administrator

When you try to open Task Manager, the following error may occur:

Solution :

Method 1:

Click Start, Run and type this command exactly as given below: (better - Copy and paste)

  

Method 2:

   Copy following code in Notepad and Save it as Enable Task Manager.reg

CODE:

===============

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:00000000

===================

the double click on file Enable Task Manager.reg and click on  button to modify registry entry.