To find the prefs folder for 4.10 you need to check point #3 here: Fixes for Limewire: Fixes for Limewire

The Linksys wrg54g is not reliable for UPnP. Thus, follow the directions as suggested in the link I gave above for manual port forward. Port 6346 is what you need! Extra help can be found here: (1) static ip for Linksys: Static ip for Linksys, 2. http://linksys.custhelp.com/cgi-bin/...type=search_nl
3. See my link above for link & instructions for LW manual port forward settings, etc.