Well you seem to be logged in fine now.
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Otherwise you would not have been able to post here.
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Password & username is your responsibility after registering here.
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However you would be able to retrieve either if you remember one of them at least.
Here's a starting point:
http://www.gnutellaforums.com/gettin...ire-4-5-a.html Hope it helps
The GMail option in LimeWire has nothing whatsoever to do with these forums. That option is something else. Personally I do not know how it works, I haven't tried adding friends to it yet. That option is for sharing a range of files only between friends & being able to connect directly to them.