Here's a post of known graphic card issues with LW. See See The way to fix the Blank screen on startup & try the tips such as graphic card settings. The same link is in the link you gave me. Did you try to use the suggestions made? Everybody always thinks it's LW's fault. Yes LW may put your system under that testing time but the problem still exists with your hardware or its settings.

Try the beta 4.9.1: http://www.limewire.com/english/content/beta.shtml