Agnes,
I've just always closed the browser window when I'm done working in here. I've assumed that the UT drops the login after X minutes of in activity or maybe the first time it doesn't get the expected refresh request for the toolbar.
>there is one thing on the UT which I never understand.
>
>How to logout?
>
>Is simple ALT+F4 to my browser ok or is there a common way?
>
>I saw a logout button but this hardly to navigate to.