problem accessing shared resources from LAN

Archived from groups: microsoft.public.windowsxp.perform_maintain (More info?)

Looking for a little help with this issue... in the last week or so,
maybe only a few days back, I have completely lost the ability for
other computers on my LAN to see my computer shared resources. All
shared drives and the printer are unavailable to the other LAN
computers.

SP2 is loaded and I have been able to print to this computer and
access shared drives since SP2 was loaded some time back. I am not
running ICF as I have a central router with firewall software running
on it. I have verified that ICF is not enabled.

I can see other computers from My Network Places and access their
shared resources without issue and can use the Internet. I have
tested and the problem is the same from more than one LAN computer
trying to access this computer.

The only thing I can recall changing in the last week is I upgraded
from Norton SystemWorks 2K4 to Norton SystemWorks 2K5 Premier. I do
not see any kind of firewall component such as NIS having been
installed by NSW2K5. Anyone have any troubleshooting tips or
suggestion to look for?

Thanks for your time...