Windows98SE Network

I have a peer to peer Windows 98 SE LAN.  I can
ping a certain pc and get a good reply; also, I can
start Network Neighborhood and see the workstation,
as well as use Find Computer, and see it.

However, whenever I try to double-click to access
shared files, I get message "Name is not accessible,
this device does not exist on network".  

Any suggestions,
thanks