You'll have to get rid if the firewall icon & so will your friend (if he sees it) for this to work. Read here, there's a lot of info & advice about firewall issues.
Connection problems? Check here first!

If your friend can't get chat enabled, tell him to click Apply then ok after ticking the chat box within options. He could restart LW & see if the change has been applied. If the change isn't saving, he can delete LW's preferences folder when LW's properly closed. This will kill his settings within options, he'll have to go back through & reset everything afterwards. Points 2 & 3 below have instructions.
Fixes for LimeWire

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