Hi,i have checked the instruction on your facebook issue and login issue and the problem persists .New users are unable to login after activation key is sent to their mail,it says ‘error ‘ provide correct activation key.Secondly,the are also unable to sign up using facebook .I checked with facebook,its not from their end .I tried updating permalinks,it didnt work .I also tried uninstalling all plugins activated ,it didnt work .I tried backing up my website to seven days before thereby deleting all the recent changes ,it is still the same .Please help .My new users are seriously complaining and its affecting business