When you try to run Task Manager in Windows Vista or in XP,sometimes you receive an error message that says;

Task Manager has been disabled by the Administrator.

This error happens due to some malware or spyware software putting some registry restrictions(DisableTaskMgr restriction) so that one can’t trace or remove them from the system startup.You can follow any of the resolution methods given below:

Method 1: Using the Group Policy Editor

• Click on Windows Vista/XP Start, Run, type gpedit.msc and click OK.
• Navigate to this branch:

User Configuration / Administrative Templates / System / Ctrl+Alt+Delete Options / Remove Task Manager

• Double-click the Remove Task Manager option.
• Set the policy to Not Configured.

Method 2: Using the Windows Registry Editor

• Click on Start, Run, and type regedit.exe and press Enter
• Navigate to the following branch

HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies\ System

• In the right pane, find and delete the value named DisableTaskMgr
• Close the Windows registry editor
• Reboot you computer for the changes

Method 3: Using the Command Prompt

Click “Start > Run” and type following command exactly as given below and click OK.

REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f

Easier Method:

Download, extract, and double-click on DisabledTaskManager.reg to merge the registry values into the Windows registry to fix the “Task Manager Has Been Disabled By Your Administrator” error in Windows Vista or in XP.

Task Manager has been disabled by your administrator(Download Fix)

Warning: Modifying the Windows registry can cause serious damage to your Windows Operating System.It is better to backup your Windows registry data before making any changes. Tomstricks.com is not responsible for any changes you may make to your system.