Alright then, let's do some research
.
I may of found it here:
http://members.driverguide.com/driver/detail.php?driverid=636649
Please note all I did was a basic Google search using this query:
http://www.google.co.uk/search?aq=t&oq=vimicro+ZC...&btnG=Search&meta=
Edit: Are you using Vista? If so that driver won't be compatible, and I don't think there is one.
/ 
