It could be incompatible issue. check any new firmware for the router or driver for NIC. This link may help too.
Vista incompatible issuesVista Incompatible issues. 1. Some switches or routers may not compatible with Vista – Solutions: upgrade the firmware, disable the IPv6, re-configure the ...
www.chicagotech.net/vista/vistacompatible.htm
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Techguy172" <Techguy172@discussions.microsoft.com> wrote in message news:F4B23738-CD0C-4D18-BB15-CBBF09AC70BD@microsoft.com...
Hi I upgraded a few months ago, and im have having problems with my internet
connection suddenly dropping I completly lose it unless i restart, I have
tried to diagnose the problem reset my connection i have refreshed it. No
luck. I am on a wired connection by the way.