My connection has gone from 2 mbps to 0.200/s !! all i remember is that i updated service packs automatically i have windows xp service pack 3 any advises?
There is a lot of things that can cause issues with a network.
If you're using P2P, make sure no other device on your network is using P2P also. A lot of people who install P2P tend to forget to close their app, so it runs in the background causing congestion.