I've had some time off from the forum due to the forum problems & other reasons. Sorry we have been slow to get back to you. We're normally more prompt in our responses.
Yes the 1st bug report was your FW. I guessed that whilst 1st looking at it or suspected it should I say.
Bug reports are a little meaningless if the program isn't connected. And unfortunately that seems to be the case for the LW report.
What I'd suggest is what you may have or probably already tried. That is deleting your LW preferences. Remember, that if you used an earlier version of LW then your prefs will be in a different location to the later versions. So check both step 2 & 3 here to see if you can locate the LW prefs folder:
Fixes for Limewire
If you still can't connect, try setting LW to a different port. Try one between these 49152 - 65535 as these are safer to use. Change both the connection & listening port. If you use UPnP setting, then leave the connection port as is. Make any relevant changes in your firewall for this new port & keep 4346 also clear for LW to use.
Another option if you haven't already tried it is reinstalling LW. If you have Pro, I presume you still have the installer backed up somewhere.