Do you have Alcohol 120% installed? If so, try this.
http://www.gnutellaforums.com/genera...tml#post293318
And if LimeWire keeps opening, go here for help
http://www.gnutellaforums.com/connec...tml#post272507
Did you delete the old version, and use the java provided in that link? Java 6 is reported to have some problems with limewire.