Hi i have a vigor 2600g with a vigor 550 dongle i have just got a new computer with vista home, now it wont let me install drivers and wont reconise the dongle, will they work with vista? my main comp runs fine with vista and the 2600g anyone else had this problem or know how to get the drivers to work and how to install the correctly any help would be great

You could try this driver:
http://www.atheros.cz/download.php?atheros=AR5007UX&system=3

I'm not sure if you'll have to force it to install that driver or not but it seems to be the most current driver available for the chipset that the Vigor 550 uses.