i am trying to help somebody to share share connection over a network, he connects with a usb modem plugged into his computer, then it goes via a router to over computers. We did manage to get it going but he has had to format his computer, now it is all running again i share connection etc and share files and i can see his computer with others connected to network and use stuff on his computers network like photos etc but the internet is getting thorugh, even with firewalls turned off?? any suggestions? thanks for any help