How To Enable the "Run     As" Command When Running Programs in Windows
        
       Note You must log on to the computer as Administrator, or log on as a     user with administrative permissions.
        
       Step1
       Right-click the My Computer icon, and then click Manage.
       
        
       Step2
       In Computer Management, expand the Services and Applications     node, and then click Services.
       
        
       Step3
       In the details pane, right-click the Net Logon     service, and then click Properties.
        
        
       Step4
       In the Properties dialog box, set Startup type     to Automatic, and then click Start.     After the computer starts the service, click OK to     close the Properties dialog box, and then close     Computer Management.
       