thanks for the replies.
hudsonsmith: i will make sure the workgroups are the same.will also use the dhcp server.
inthewayboy: as far as i know there are no soft firewalls

triple r: there is no communication betw the pc's. network isn't setup.the person never set it up;just using router for internet connection.i haven't been there to check on the setup.will do that on monday night hopefully.