1) Get DSL/Cable
2) If You Don't Have LimeWire Pro Get it
3) Get an antivirus and scan for viruses
4) Get rid of <b>ALL!!!</b> Junk Files
5) Make Sure Your Internet Connection Is Faster Than Dial-Up

you have all these? REINSTALL LIMEWIRE PRO
didn't work?
RE-INSTALL WINDOWS XP (if you have something other than XP i suggest you upgrade)