Vista - Vista Network periodically freezes

Hi all,
I have 3 PCs connected in a network by a Linksys Wireless G router:

• 1 Desktop, connected by Ethernet cable
• 2 Laptops, connected by wireless

They all use the Public folders on the desktop as a way to store common files. The problem I have is that the network allows access to the Desktop public folder,s but seems to freeze for about 30 seconds, unpredictably every 2-10 minutes, then start working normally again for a variable period.

During the freeze on access to the desktop, all PCs continue to be able to access the Internet without any problems. On the Vista Network page all 3 PCs are displayed

All 3 PCs are running Norton 360 Anti virus and Firewall, with the other PCs set up for Full Trust. If I turn off Norton 360, the problem does not seem to disappear.

I would be grateful for any help anybody can provide. Thanks - JR

Have you checked the event log to see of any messages were logged about the problem from the system

Thanks - but where do I find the event log?

Open Event Viewer - Windows Vista Help

im in germany and sometine my spelling is not so good thats why i gave the link
anyway check the event log for any kinda network related problems ie TCP/IP, NIC drivers, Netbios, etc and try and start from there to see if you trace the problem