Seems to be working now.

I am about to give up. The file and printer sharing only works intermittently.
I dont understand this.
And I thought putting XP Pro on my second computer would make networking easier.HA!

When I click "View Workgroup Computers" on the XP Pro computer, it says the domain is not accessible. When I click "View Workgroup Computers" on the other computer, it shows itself, but not the XP...

When I change the workgroups to the same name, the XP Pro computer says the network
is not accessible.

No, the modem is not a router. No router is involved here.

This is even more confusing:

Instead of typing the IP address for the exceptions under the ICF of the other computer, I typed the...

It is working now, but as usual, I am not exacly sure what the problem was. It involved the XP firewall. I turned one computer's XP firewall off and was able to ping it.
Then I turned its firewall...

Hi, thanks for responding:
Computers are set up as follows:

Both are connected to a 4 port hub which connects directly to the cable modem.
The 2 computers each have different IP addresses...

Hi:

I have 2 computers, one with XPHome and the other with XPPro. Both are connected to a hub which is connected to the internet. No router.
Computers cannot ping each other. They both access the...