>It seems like every other time I'm on the UT, after reading a couple of messages I start getting the "user name not found" message.
>
>My web browser is set up to accept cookies, otherwise I assume it just wouldn't work at all.
>
>The last time I had this problem was today at 10:40AM EST.
>
>Please look into this.

I don't believe it's local. If you are within the messages area and you get this after a while, I would try to clear the cache. If this doesn't work, I would try to see if some data sent are being affected by a proxy.