See
http://www.limewire.com/english/cont..._history.shtml
If we knew exactly which Operating system and computer you had, there might be other things the forum members could tell you, but if you upgrade, it is always agood idea to keep your old installer archived, then you can revert to it if you wish.
Personally I use 4.10.0 for the reason that my aged computer doesn't like the later versions, hense little positive help I'm afraid
