No, its sure not a firewall problem. You wouldn´t be able to connect.

I never read about such problems so I can only guess. First a few questions:

1. Does this only happen while you are using Limewire? Or does it happen also when you are surfing or are using other Internet applications?

2. Is Limewire running every time 5 - 10 minutes? I mean did it happen sometimes earlier and sometimes later?

3. Did you tried other sharing application? Did they work?

Morgwen