Computer communication issues

Archive
1

After latest Norton update, my 2 computers no longer communicate-secondary computer does not see primary on the network, or the printer attached to the primary- even though both can get to the internet. Please help.

 

Thanks!

2

After latest Norton update, my 2 computers no longer communicate-secondary computer does not see primary on the network, or the printer attached to the primary- even though both can get to the internet. Please help.

 

Thanks!