This could be the 3rd party software issue. try clean boot.
Windows generalHow to run Windows OS with a clean boot · How to Run Windows
Safe Mode with Networking · How to setup DHCP for IP Phone How to sort
programs in Start ...
http://www.howtonetworking.com/Windo...owsgeneral.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
"KRK" <> wrote in message
news:...
> Hello
>
> I am setting up a wireless ad-hoc network between my desktop & laptop.
> I've setup the network OK on the desktop. When I connect to the network
> from the laptop it seems to connect OK with a strong signal, but then
> disconnects a few minutes later.
>
> Could this be a firewall problem? The desktop has Norton, the laptop uses
> the windows vista firewall.
>
> Thanks for all advice
>
> K