In this post we will see about detailed explanation of how to solve the task manager has been disabled by your administrator..Mostly the error will be shows in educational areas such as schools,colleges..etc because they will not allow to any changes in the particular system..It is one of the part of security purpose.
Just following the below steps to solve the error :-
Step 1: Go to Start>type as "Run" (without quotes) > type as "gpedit.msc" > then press the ok button
Step 3: Now double click on System. Select Ctrl+Alt+Del options. Double click on it.
Step 4: Select Remove Task Manager. Right click on it and select Properties.
Step 5: If this setting is enabled and users try to start Task Manager, a message appears explaining that a policy prevents the action.
Step 6: So by disabling the policy, you are enabling the Task Manager.
((Click Setting>Select Disabled radio button>Apply/OK))
