>What I mean is that after only a few days away the top part of UT site does not expand automatically as I click on + sign, and it should. Please check it out.

It is normal and bound to your settings. When the limit defined in your account is reached, the treeview turns dynamic. Otherwise, it wouldn't make sense to send you, for example, 2000 messages. In such high amount of bytes to be returned, the server would times out before the transfer finishes.