Getting something better than “Server not found.” from WCF in Silverlight

When developing applications in Silverlight it is inevitable that you will need to perform a request back to the server for data or processing. The common practice is to use Windows Communication Foundation (WCF). I find that WCF usually handles all of my needs and it works well when everything is happy and just right. However, if anything is not in its correct place, we can have tons of problems