I see. Roger.
You had better invalidate it rather in the shopping cart page.

includes\init_includes\init_woz.php

Code:
  if (!defined('IS_ADMIN_FLAG')) {
   die('Illegal Access');
  }

if(
  substr($_GET['main_page'],0,6) == 'popup_' or 
  substr($_GET['main_page'],0,9) == 'checkout_' or 
  $_GET['main_page'] == 'shopping_cart'
  ){
  define('WOZ_IGNORE_FLAG', true);
}else
if (defined('WOZ_CONFIG_STATUS') && WOZ_CONFIG_STATUS == 'true') {
includes\modules\sideboxes\wp_***.php

Code:
if (defined('WOZ_CONFIG_STATUS') && WOZ_CONFIG_STATUS == 'true' && !defined('WOZ_IGNORE_FLAG')) {