It may have been our site was down temporarily.... I was able to download and install just now. Please re-download the installer in case that was the issue and try again and let me know if you still have issues.
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.