Go over your port forwarding again or get someone to help you with it...Each step in the process is very important and if you go wrong somewhere or leave something out it wont work...
You could also try these fixes, they may help...
Try uninstalling your Java from the add/remove programs and then re-install the JRE 5.11 offline version....
Archive: Download Java 2 Platform Standard Edition (J2SE) 5.0 Update 11
Then uninstall Limewire using the uninstaller which is found in start > all programs > limewire...then re-install it using the offline installer...To find the offline installer, use the link below > cancel the installer window when it pop's up and then select the offline installer link...
Lime Wire » Download LimeWire
If that does not help with your problem try deleting your preference folder/s...
Fixes for Limewire when LW isn't operating as it should