How to solve problem Task manager has been disabled by administartor?

We can solve this problem by following given steps.

1.) Open RUN by pressing Ctrl+R.
2.) Type REGEDIT then hit enter.
3.) Click on HKEY_CURRENT_USER.
4.) Click on Software.
5.) Click on Microsoft.
6.) Click on Windows.
7.) Click on CurrentVersion.
8.) Click on Policies.
9.) In the right pane, delete the value with name DisableTskMgr
10.) Close the regedit , enjoy.

Warning:- If you are not able to see value DiasbleTskMgr there then don't delete anything otherwise your system will not work correctly and may stop working.

note:- For windows user who are using windows version below 7 or 8 there is change in step 8.
       they can follow the steps till 7th step and then in step 8 they have to click on policies system and the delete value DisableTskMgr.

For windows XP user.
Trick 1.) Type the command given below exactly. it will be better if you copy and paste it.
          
           REG add HKCUSoftwareMicrosoftWindowsCurrentVersionPoliciesSystem /v DisableTaskMgr /t REG_DWORD /d 0 /f

Trick 2.) Using group policy editor.
1.) Click on start, open RUN type gpedit.msc click OK.
2.) Goto this branch.
                   User Configuration / Administrative Templates / System / Ctrl+Alt+Delete Options / Remove Task Manager
3.) Double click on the Remove Task Manager option.
4.) Now set the policy to not to configured.
5.) exit, enjoy

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