Here is an updated driver for the Prolific USB to Serial port. It's what BU303 uses
http://tech.prolific.com.tw/visitor/...p?fid=34983872
v2.0.2.1 for Win2K/XP/2003 (XP Logo Certified)
For Prolific USB VID_067B&PID_2303 Only
(for Mobile Phone, GPS, Modem, IrDA USB Serial Cable)
I just updated my old version, the one that comes on the CD. After rebooting, my GPS was moved from comm 6 to com3. I had to change it in IG. So far, so good.