Try uninstalling your Java from the add/remove programs and then re-install the JRE 5.12 offline version....(4th one down)
Java SE Downloads - Previous Release - JDK 5
Also try deleting your preference folder...
Fixes for Limewire when LW isn't operating as it should
I also will need to know what the make and model number of your modem/router is..
Optimum Online are known for their shaping of p2p...
http://www.gnutellaforums.com/connec...-limewire.html