"Use port 80 and 443 for additional incoming connections." - The Skype setting that every developer should disable. Solution to "The process cannot access the file because it is being used by another process" when running a Service Fabric hosted WebApp.
I just flattened my machine and ran into this issue when running a Service Fabric hosted WebAPI project. This line of code: 1this.serverHandle = WebApp.Start(this.listeningAddress, appBuilder =>