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in case of problem restart computer... it solves almost any problem :)
 
naw...iChat has had some issues, especially with knowing if its on the server or not, make sure you are logged in....sometimes it looks like you are, though your not.

I haven't gone through the hassle of actually rebooting now that I'm on 10.2, usually I just quite an app and relaunch

I had an issue where I was talking with someone & all of a sudden I would continue to send messages (they would do the same) though we could not see each others text...odd
 
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