Your screen shot doesn't show any errors, it only shows warnings.The line in your php.ini is wrong. It should read:
error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT
It's ~, not -. When you make a change to your php.ini you need to restart the webserver software.You have not provided us with enough information about your setup to troubleshoot why cron.php isn't working for you. Please provide how your calling cron.php.