Allan,
Check whether your software needs to see your camera port as a parallel port. If it does, you will need to get an adapter that shows up on your PC as an LPT port - not all of them do.
See these threads:
http://www.iceinspace.com.au/forum/s...t=parallel+USB
and
http://www.iceinspace.com.au/forum/s...t=parallel+USB
I know the ToUcam isn't relevant but the adapter may be...
Al.