Don't know if my problem is related to TCP/IP but I've suddenly lost my broadband connection.
Switched on this morning and my broadband modem said no dial tone - called Tiscali and they said there was no problem with my line. I uninstalled and re-installed the modem and it then connected OK but even though I connected I can't actually do anything as nothing sends or receives.
Is this a TCP/IP problem?
My dial up connection still works and I've done a system restore to a couple of days ago but it made no difference.