I am using a Globespan virata tera 100u usb modem to conect to BSNL Broadband. whenever i on the pc it says "ADSL Modem not responding" and "Error loading DSL Loader". i uninstall and reinstall then it works fine. but when i on the pc then the same cycle. i have checked the cables and all. pls help me. i use win 2k, ie 6, service pack 4.