Hi
It is hard to tell since you did not describe the setting.
Is it an Internet problem, or a LAN traffic problem?
As a Long Shot, try to optimize the slow computers TCP/IP Stack.
http://www.ezlan.net/Internet_Speed.html
If it is Sharing problem, ay be this can Help.
http://www.ezlan.net/sharing.html
Jack (MVP-Networking).
"horsefly" <(E-Mail Removed)> wrote in message
news:FBDBEBC8-32A2-4206-816C-(E-Mail Removed)...
> As the admin I have a good connection to the network but my kids (limited)
> get a really slow or no connection. Using D-Link DWL-G510 PCI on XP
> machines
> DI-524
> 802.11g router. AVG anti- virus.
>
> Any help is much appreciated.