if(!is_writable($custom_av_dir))

 		return throw_error(sprintf('The directory: %1$s has to be writable to continue the upgrade. Please make sure permissions are correctly set to allow this.', $custom_av_dir));

 	elseif ($need_settings_update)

 		updateSettings(array('custom_avatar_dir' => $custom_av_dir));

 	require_once($sourcedir . '/Security.php');