The applet doesn't show in the cache window, but the other applets that I tested to make sure it was working do show up there. The browser I'm using is IE, and it's selected.

Could it have anything to do with what you were talking about in this thread:
http://rioreceiver.comms.net/php/showthreaded.php?Cat=&Board=general&Number=4226&page=0&view=collapsed&sb=5&o=0

Thanks again,
Rich