1. Open your add/remove control panel & remove all versions of Java.
2. Install Java 1.6 beta from here
http://java.sun.com/javase/6/download.jsp & choose the
JRE "Offline" version which is a 15.72 MB downld.
3. Delete your LW preferences, which will be either in step 2 or 3 here (try both)
Fixes for Limewire (sample image included at bottom of page.)
If still problems, try changing the LW compatibility mode to either win 2000 or NT.