Alright, your firewall is off? Once again, are you in an educational institution or on a network? Secondly, how long do you wait for your connections before searching? I'd suggest waiting about 5 minutes, because it can often take limewire a couple mins to establish four stable ultrapeer connections, as often they fall out.

Do you use other gnutella software at the same time? Or have u used it previous? Because it may be set that you're listening on a diff port than 6346, oten 6347 or 6348, so open those ports too.