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When one tries to open task manager, may get the following error-"Task Manager has been disabled by your administrator
"Task Manager has been disabled by your administrator" error
When one tries to open task manager, may get the following error-"Task Manager has been disabled by your administrator.This happens if there is restriction in the registry-DisableTaskMgr value becomes one(1) instead of zero(0).In XP Professional it may be blocked via the "Local Group Policy" or "Domain Group Policy".
XP Home Edition:-
2]Now navigate to the following location:-Software\Microsoft\Windows\CurrentVersion\Policies\System.Double click on DisableTaskMgr. If it is not present then Create a new DWORD valued named "DisableTaskMgr" 0 = default, 1 = disable Task Manager. Set the value data zero.
2]Double click on Administrative Templates under the User Configuration.
3]Now double click on System. Select Ctrl+Alt+Del options. Double click on it.
4]Select Remove Task Manager. Right click on it and select Properties. If this setting is enabled and users try to start Task Manager, a message appears explaining that a policy prevents the action. So by disabling the policy, you are enabling the Task Manager.( (Click Setting>Select Disabled radio button>Apply/OK)
"Task Manager has been disabled by your administrator" error message