The problem with the exception of : System.InvalidOperationException

During the third step, the installer service to deploy (c #), it gives me an error:

System.InvalidOperationException: Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application.


Please help .. I have no idea. I searched the net ..