Welcome to X-Cart! Please start by reading the forum rules, and posting your X-Cart version in your signature (Edit profile, enter version, enter help desk password, click the 'Always attach my signature:' box, save):
http://forum.x-cart.com/viewtopic.php?t=6489
Since this is a Third party modification you purchased, I'm moving this to the Third Party Add-Ons forum. If you don't get any assistance here, you may want to ask Cart-Lab directly.