How to Fix “Task Manager has been Disabled by Your Administrator

Posted by tech master  |  at  3:55 PM 5 comments

That's a very common problem for Windows users. Many times when you try to open Task Manager, you find that "Task Manager" option has been grayed out:

Also when you try to run it by typing "taskmgr" in RUN dialog box, Windows shows following error message:

Task Manager has been disabled by your administrator.

1. Type regedit in RUN dialog box or Startmenu Search box and press Enter. It'll open Registry Editor. If Registry editor is also disabled, then follow instructions given in following tutorial:

How to Enable Tools -> Folder Options and Registry Editor in Windows

2. Now go to following keys one by one:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\System
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Curr entVersion\Policies\System
HKEY_USERS\.default\Software\Microsoft\Windows\Cur rentVersion\Policies\System

and look for a DWORD value "DisableTaskMgr" in right-side pane. If you find it, delete it.

3. That's it. Now Task Manager will be enabled.


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  1. Hi, very useful info.
    I have experience, this kind of problem can be viruses attack. My experience is Sality virus.

    You can read HERE>>

  2. What if regedit is also disabled??

  3. Nice post, thanks for sharing this wonderful and useful information with us.

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  4. Thanks for drawing our attention towards it since i been having the same issues this expalanation was very helpful and i'm soon gonna try it out

  5. but if u have blovked regedit too ?? haha :D ... then you can only programm app maybe in C# which unlocks it by code becose user by click ca't do it :D


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