Internet vista keeps auto disconnecting

[spacecat9]

Internet vista keeps auto disconnecting, i have removed the auto 20 minute disconnect but the connection to my nokia n95 phone keeps drop when connected by usb. if i connect via blue tooth the connection never drops i have had 24 hour blue tooth connections but the connection via usb often drop. i rather use usb as 460mbps is better than 128mbps. it never disconnected when i had xp loaded but im liking vista and not going back so i need to solve this. any ideas.

Thanks spacecat9

[Carbon Dudeoxide]

Not sure what the problem may be, but perhaps the phone is turning itself off automatically after 20 minutes, causing it to disconnect?