Try Fixes for Limewire & see if it helps.

By the way, let LW settle down before you jump in & start searching, etc. Give it time to settle. This may take 10 or 20 or more mins depending on how many incomplete & shared files you have.

Also don't use the resume function too many files. This will put stress on both LW & your comp.

By the way, do you really need SP2? SP2 reduces simultaneous connections. It's intended for major networks & busineses.