Check to be sure you don't have any virus. Scan your computer.

Otherwise:

1. Delete your LW preferences folder whilst LW is CLOSED: http://www.gnutellaforums.com/genera...der-vista.html

2. Uninstall Java.

3. Uninstall LW using the Start menu > All Programs > LW > Uninstall.

4. Run this utility: Crap Cleaner

5. ReInstall Java using the OFFLINE installer only: Download Java software from Sun Microsystems (about 15 MB in size)

6. Reinstall LW using only the OFFLINE installer: http://www9.limewire.com/download/LimeWireWin-full.exe