Using the template provided in the zip above, I had no problem running the DataAssist wizard steps 1-10 with a fully working review at each stage.
Vista 32bit CS4 DataAssist 2.0.6
Just for your info.
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.