[Stefano Zanella]

in my first races in AC i had very big connection issues too, i still have this problems now, but less frequenty, after i did this:

i put a static ip for my pc, and enabled DMZ on router's firewall for that ip, you can find guides on net about DMZ. just search how to configure dmz router

basically it will make the cottection with your pc and the router more direct and stable.