I created a thread within the IP.Board Peer-to-Peer forum...
http://community.inv...-is-this-a-bug/
So basically, since installing the Beta 2 Classic Pro, if I'm viewing a thread and click the sub-forum link to take me "back a level", I receive a "This page cannot be displayed" message.
It looks like (for some reason) the link does not work because it's trying to navigate to...
http://www.frenchsportsclub.com/forum/showforum=81
http://www.frenchsportsclub.com/forum/index.php?showforum=81