
After running the wizard the pages will be open in Dreamweaver, even if you delete the pages from the files section, they are still open in Dreamweaver memory until you close them.
make sure to close the pages in Dreamweaver before deleting them from the files panel.

Nope - this is nothing like what I had happen. I was just creating normal DataAssist pages. While the wizard is running, the alert was thrown several times, even for a CSS file. There was never any file deleting happening....