Your LW prefs can be found here: Windows: C:/Documents And Settings/your_username/.limewire
Delete the folder called .limwire
Have read this thread yet? In particular read page 1 & the previous page or two. Then tell us your results. If you have a problem, you need to detail your specifications of OS, connection type & devices & whereabouts (home, school, work, etc.), & gives us details about your problem. By the way, this is not LW Support. This is a forum mostly run by volunteers who are simply experienced LW users.