Register button not working!

Carlos,
On your home page, I see multiple inclusions of the Facebook Javascript library (all.js) within the HTML. The Error Checker built into JFBConnect should be calling that out, and we'd recommend disabling any other Facebook extensions that may be enabled on the site to test with. It's possible that's where the problem is coming from.

Regarding the About Me not being filled out and not showing a problem, that's a template issue. When Joomla's validation (which we use) detects a field that is not filled out, it adds the class "invalid" to the input that wasn't filled out. You can add the following to your CSS which should highlight the problem fields:
Finally, for the language, JFBConnect uses language files for all of it's front-end views. We distribute a es_ES file that should be used. The only reasons that I can think of that it isn't used is if you have the Language Filter plugin enabled on your site. That plugin will detect the user's browser language and then let Joomla know. We respect that setting and will load the proper language file then. Can you check if the System - Language Filter plugin is enabled? If not, do you have any other language extensions installed on your site?

Thanks,
Alex

If you open the source HTML for your page, the all.js file is still being included 3 times. 1 time from JFBConnect, the other 2 from something else. One looks to be Like-Box/Fan module. I'm not sure what's including the other in the head section. I'd recommend removing those, even just temporarily, to test. This isn't a problem with JFBConnect, so uninstalling it won't help. You need to narrow down the other Facebook extensions that may be conflicting with JFBConnect.

The new user emails are sent to any users marked as "Receive System Emails" in the administrator area. Only users that should actually receive system announcements should be marked to receive system emails. Check those settings and disable it for any user's that should not have it enabled.

Good luck,
Alex

No problems. To see the HTML of your page, you can need to find the "View Source" menu option in your browser. That will bring up the HTML that Joomla has generated for your page. In that file, if you search for all.js, you'll see it in there a few times like "//connect.facebook.net/es_ES/all.js". That line is coming from an extension installed on your site that is including (loading) the Facebook Javascript library from Facebook's servers. You won't find that file on your server. You need to determine what other Facebook extensions you have installed that are including that library.

Like I mentioned, the Fan module on the right sidebar of your page looks to be one. You should disable that module. Then, there's another that extension that seems to be including the all.js file as well, but I can't tell what extension that is. Hopefully, you know what extensions you have installed that may have some sort of Facebook integration, and you can disable those features.

Hope that helps explain,
Alex

Carlos,
I guess I'm a little confused. What error are you getting now? I just registered on your site, and I'm not seeing an error. Can you tell me what the error message is and when it appears?

Thanks,
Alex