@seancallahan, I'd try to remove all lines and only leave the top section: # BEGIN WordPress # The directives (lines) between "BEGIN WordPress" a...

@tptclan, I have no other idea. The last thing I can recommend is clicking the [Delete all caches] button in Dashboard > Forums > Dashboard ad...

This is a security configuration issue, so disabling the optimizer plugins will not help. The security plugins add new lines in .htaccess files in d...

@tptclan, Just set them all as NO. Then delete all caches, then test it using new browser or incognito tab. Browser caches redirection, so even if i...

@seancallahan, The AJAX requests are blocked by some security or cache plugin. It seems you've played with cache and security of your website and st...

@tptclan, All is correct. If the following options are enabled in Forums > Settings > Features Tab then all is correct. If you don't want to s...

BTW this UR is not related to wpForo. And the ?_wpo_purge=afda964c4a part either.

@rodiraz, Please leave screenshots, the links don't work.