Well since you're having to start all over, you may want to search your HDD and delete everything you find Limewire and start fresh with a clean download from here.
Lime Wire » Official Website & Free Download, BitTorrent «.
If this is what you want to do and have XP, click Start > Search > All Files/Folders. Type in limewire and search. Delete Everything that comes up Limewire. Also make sure you have the latest Java installed before you install Limewire. Delete ALL Versions of Java and then install the Latest.
First of all, install Java. Download the JRE
offline installer & Remove any other Java versions installed (via Add/Remove Programs) before you install the latest Java.
Java SE Downloads The Fourth one down. Version 6 update 4