Well a bit complicated all this. Still not an ERROR but a Warning/Notice that doesn't seem to come from wpForo. I do not see wpForo anywhere. Seem...

Where is the error, i don't see any error.

This is what they use:

You mean on THIS site/forum? If so, yes they have some plugin activated that does some Cloud based check and protection.

They are looking to post for spam, create profile signature and rarely to hack you. But all those things are for Wordpress to prevent and take care. ...

This is not related to wpForo but to Wordpress. You can install one of the several security plugins and block most of it. You can't ban everything. Yo...

I'm happy to see people using with success this plugin. That's all.

@jesus "dorothy" is probably a not so clever signature spammer 🙂

This is a Wordpress issue and not wpForo, still use to solve it.

@macfionn This is why i asked if your did ANY manual modification to ANY code. And you answered that you didn't (or i got it wrong). This is what t...

"header" errors could be from code (white space for example) you have added or changed somewhere. Have you? Also please follow Robert's suggestion, ...

Select a full page template for that page with wpForo.

Just find a proper hosting company.

This can't happen. New users receive just a link to VERIFY their account. New users do NOT receive a recovery password link. And even in Lost Pass...