Facebook login not working!

Please help I tried everything.
I changed the app id and secret code to the social plugin but it still wont work.
I disabled it for now. But please I really need this fixed.

Please check your configuration with this steps :

http://www.gavick.com/documentation/joomla-templates/templates-for-joomla-1-6/how-to-implement-the-login-with-facebook-feature/ and make sure that your template is up to date because this is the most common reason of fb login problems.