That might be why. Try using http://localhost/path/to/whatever
. If you need to use a different port, don't forget the :portnumber after localhost. See if that makes a difference.
If anyone knows of a website that can offer ColdFusion help that isn't controlled by neurotic, pedantic jerks* (stackoverflow.com), please PM me with a link.
* The neurotic, pedantic jerks are not the owners; just the people who are in control of the "popularity contest".