ctlrw3svc = New System.ServiceProcess.ServiceController("w3svc", "XPClient")
        If ctlrw3svc.Status = _
          System.ServiceProcess.ServiceControllerStatus.Running Then
            ctlrw3svc.Stop()
        End If
        If ctlrw3svc.Status = _
          System.ServiceProcess.ServiceControllerStatus.Stopped Then
            ctlrw3svc.Start()
        End If