I am seeing the same issue. Attempts to logout show "logging you out..." and then returns to the forums as if logged in. Leaving the forums (such as to the main web page) and then clicking through to the forums still displays the forums as if logged in but if you click logout at this point the software logs out properly.
All references I can find are the format www.domainname.net but for some reason all entry to the the forums displays a redirect screen and the URL in the address box shows http://domainname.net/forums/ubbthreads.php
I can not find any configuration item that redirects to the domain without the www and I suspect the logout problem may be a cookie issue.
A bit of guidance from the dungeon master would be helpful.
Abbott
