View source for I entered a wrong credit card number on the signup form and corrected it by clicking the Back button, but my order was not processed.

When you enter information on an online signup form, it is usually retained in your cache. Due to browser settings, the original credit card number may have been retained in your cache and didn't change even after your corrected it. To ensure your order is processed, complete the signup form from the beginning with the correct information.&nbsp;