This is the download that accompanies the post about the simplest way to create a WCF service and client in Visual Studio 2010.
You can find it here WCF Simple Example in Visual Studio 2010
@MK : Check out the article that belongs to this file
And are you compiling this in Visual Studio 2008?
@MK : Only VS2010 allows default endpoints. Read article 2 on how to manually add endpoints.
@miccmak : bloggingabout.net/.../contact.aspx