If you don't have administrative rights on your system, the application will crash with System.ServiceModel.AddressAccessDeniedException, saying that the HTTP could not register the URL. The error log will look like this:
If you encounter this error, run the application under admin privileges. If you are running the application directly from Visual Studio, relaunch Visual Studio with admin privileges. To do so, right-click on the Visual Studio icon and click on Run as administrator.