amazon price updater

I have a active wordpress 3.2.1/shopperpress 6, t-shirt shopper themed, Godaddy hosted website. The amazon price updater stopped updating after 20 items...or...when I clicked (click here to debug), to view which items were no longer available...the update process stopped and would not restart. The amazon updater tool needs to run continually and checked to ensure its runs continually to finish this project. The amazon api is all updated to latest revision and is up to date.