The page isn’t redirecting properly

[Jeffe]

hi .
when i press fb button , that redirect me on facebook to confirm and plugin don`t redirect me on my site . On Firefox i have "The page isn’t redirecting properly" , on Chrome the page is white .
i clear the cache and nothing ....
I found something on forum but  don`t help me...

[Henrich]

Same problem here. When user choose to log in with Facebook it doesnt redirect him/her back to my website.