momasaur,
Try deleting LW's preferences folder when LW's properly closed. See point 3 here & also point 2 if you've used older versions of LW in the past (there could be a folder in either location).
Fixes for LimeWire
This will kill all of your settings within options, you'll have to go back through afterwards & reset things. If you're not sure of your settings, go through LW's tools > options & write them all down, so that you can reset things later.

gilliat,
Are the 'back' & 'next' buttons missing - is that why the installation can't advance? If that's the case, see if this helps.
http://www.gnutellaforums.com/230100-post7.html
Or does the screen just freeze? What version of Java are you using?

floatyfish & mac17,
Please give some info.
System details - help us to help you -> Provide these details when you post!!!