Every problem you have related to the USB ports needs to be taken care of through the Device Manager. Go to Start > Run > devmgmt.msc. Right click the problematic USB port, then select Uninstall. Reboot the PC and make sure you are connected to the Internet. Windows will automatically detect the necessary driver, then it will proceed to the actual installation. Plug the camera, and install its driver, then reboot the PC again and you should have the possibility to use it for video chatting programs.