Task manager has been disabled by administrator:-

Task manager has been disabled by administrator:-

To solve this problem we have to methods Method 1Click Start, Run and type this command exactly as given below: (better - Copy and paste)REG add HKCUSoftwareMicrosoftWindowsCurrentVersionPoliciesSystem /v DisableTaskMgr /t REG_DWORD /d 0 /fMethod 2Download and run this REG fix and double-click it.Method 3* Click Start, Run and type Regedit.exe* Navigate to the following branch:HKEY_CURRENT_USER Software Microsoft Windows CurrentVersion Policies System* In the right-pane, delete the value named DisableTaskMgr* Close Regedit.exeMethod 4: Using Group Policy Editor - for Windows XP Professional* Click 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.