Yesterday, one of our user help us found a bug in the Firefox version 1.3. We have found the problem and fixed it. If you installed the version 1.3, please update the add-ons to 1.4 from our download page:

http://nukeprice.com/AmazonPriceWatch/Download.aspx

We are sincerely sorry for the inconveniency.

And thanks everybody for being supportive. Enjoy the holiday season!