I am a Banker. My bank software runs on private network .. when i insert usb modem for using internet i can't use my bank software because my pc use internet to eccess bank software when i connect to internet ..Now I want to use My office Network & an usb modem based internet at the same time without any hassle. We use Internet Explorer to access bank software. . I wanna use firefox and gotx stock trading client with usb modem ...need urgent solution ... my pc runs on windows xp