This error means that your host has blocked cURL access to the webassist website for CMS Activation. You will need to contact the hosting provider to have access granted to make the connection to the webassist.com activation server through cURL.
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.