In LW go to Tools>Options>+View>Popups, then tick the box that says Revert To Defaults then click apply.
Then try to d/l something and when the box Popsup click "always use this answer" then click "yes". If you click no it won't let you d/l anything. It has to do with piracy.
Here's a link that shows a picture of the popup box:
http://www.gnutellaforums.com/showth...176#post154176
Read the stickys at the top of this forum for answers to this and other common questions.