not even a firewall ?
also on that operating system you really need to "plug" M$ bug via network neighborhood icon on desktop.
gota add NetBEUI proticol to uninstall it from being over top of tcp/ip proticol which in fact needs nothing in itself to be "bound" to to operate properly.
this blocks the port 139,also it may block port 137&138,but I use an older version of ZoneAlarm as my software firewall.
I also use the freeware version AVG 6
anti-virus program.
Edit:forgot to say(type)ur welcome.
also as a note you may wish to visit my web site.
I have alot of good info(link buttons)for our operating system & other flavors of winDOwS.
the instructions on the M$ bug are at
GRC ShieldsUp site click on the link"ShieldsUp" once page loads up to locate information(s).