rosstech

hey people. i bought this cable http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=180202938931&ssPageName=STRK:MEWN:IT&ih=008 it says that its compatible with VAG-com 409.1 i installed the drivers. appears on the pc fine, but vag-com doesn't pick it up. i have tried versions -...