What is the exact model of your camara? don't worry about Digital Logo Testing just say yes to the question for installing the driver. If you want to learn about Digital Logo Verification then you may start here:
http://www.craiton.com
http://www.microsoft.com/whdc/hwtest...ea=syssrv-srvr
WHQL testing and certification is yet another way for Microsoft to make money.
cheers