I have vista and I can't connect limewire to internet. Today I have contacted with McAfee and they had me reset default and it worked, now I opened up again, no connection. I don't know what to do

Did you try resetting your default again

In Limewire Links (below) click on (If LW will not connect) and go through these fixes -- Try one fix at a time --- do them in this order:-
1. Check your firewall.
2. Delete/Replace gnutella.net file
3. Delete Preference Folder (otherwise known as the Limewire folder)
4. Update java
5. Change listening port
6. Go through the rest of the fixes.
if after all of this your problem remains click on (system details) fill in and post back here

NOTE: you must show hidden files to find your limewire folder: For Vista users you will find it here:-

C:\Users\your username\AppData\Roaming\LimeWire <--(preference folder)

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Limewire links: (If LW 5 will not connect) (If LW 4 will not connect)(system details) (LW Clean Reinstallation Instructions) (setting up your firewall to accept LW)

LW links are changed at times to match the current problems.