Its not a browser problem, but rather the path that the board uses for the forum/post that changed. In that case I had to make a change to the config and it impacted that one post
http://cascadeclimbers.com/forum/ubbthreads.php/topics/839067/Slesse_Crossover_Pass_Descent_#Post839067
http://cascadeclimbers.com/forum/ubbthreads.php?ubb=showflat&Number=839067#Post839067
The first link doesn't work anymore, the second is how it works now.
Unfortunately you'll have to update your links. The content is still there and linkable! Either way, you would have had to update your links FYI.