Try Fixes for Limewire

Hold down Control-Alt-Delete keys & open Process Manager & see how many times limewire is listed. It there's more than one then kill both processes. Then uninstall them. For LW 4.4 or above just go to Start menu>Programs>LW>Uninstaller. For earlier versions use your Add/Remove Programs Control panel to remove LW.

Downld & save both the Java & LW installers to your comp. Then install .. don't install over the net. Reboot after installing LW.