Ok, Heather, I attempted to download again and here is exactly what I am getting. "Virtualfamilies2setup.eve is not commonly downloads and could harm your computer. delete/action/view downloads.
If I select "run anyway" from "Action", here is what I get;

Key required: The security key for this program currently stored on your system does not appear to be valid for this version of the program. Select "Yes" to enter a new key or "no" to revert to the default setting, (if any).

I am running Vista and am just trying to use the trail of this game. Help!!!!