I'll open a support ticket to have someone try to get the extensions installed properly for you.
If we are unable to get them installed once working with you directly, we will give you a refund.
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.