Have a look here: C:/Documents And Settings/your_username/.limewire I don't suppose you thought of searching for .limewire
Please answer my previous questions if you want to solve this problem.
Also update your Java! You have 2 choices:
Java versions 1.4.x OR
Java 1.5 (take the JRE) (click on either of those links.) Java is very important for LW!!! It is made using Java & runs on Java.