The top of each section of the forums has a description describing what types of posts & threads belong in there. Please read them before blindly posting off-topic threads & posts around the forums.
As for your problem, you are free to go back to LW 4.18 as others have complained of same issue. On LW's download page is an
'Older Versions' link.
LimeWire 5.0.11 reminds me of Windows Vista where lots of businesses demanded an option in their licence to reinstall XP & lots of businesses refused to upgrade to VISTA due to the problems it caused other businesses.