How to solve “The ChannelDispatcher is unable to open its IChannelListener” error?

Question

I\'m trying to communicate between WCF hosted in Windows Service and my service GUI. The problem is when I\'m trying to execute OperationContract method I\'m getting

Answer 1

maybe the port is already used by another program on your machine, like an antivirus program? Or it's a Windows reserved port. Could you try setting the port to something like 11111?