About a year ago I was able to share files and folders on my network, but I have not used that capability in a long time and now I need to restore it. I am not able to see devices on my workgroup from my desktop which I want to be my primary machine. I get the message that it is not accessible and that the list of servers is not accessible. I have disabled Windows Firewall and temporarily Norton Internet Protection. I have a Linksys router which I can access but I don't which configuration parameters are relevant.