vista is that grey are in which I'm not too familiar with, but I hear seven is the same... if you get no reply, in the next ten hours, I'll do an install on the big machine, and post the results.. before 10 am chicago time. in the mean time you should check to see if f/w is allowed in the systems programs...(firewallsettings) and also state if you are behind a router. ( I these factors may have some impact )
or maybe one of the other people hear has a bit more input