Your host is not allowing the cURL connection to be made to the webAssist servers, you will need to contact the host and have them lift the restriction for cURL connecting to the webAssist server.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.