While trying to access a secure Web page, Karen gets an error telling her the domain names for the site and the certificate are mismatched. The site is a small "Mom and Pop" Web site, but she's about to order $1500.00 worth of merchandise. What should she do?

Stop and call the store

Explanation:

In this question, we are asked to state what will be done by Karen when she wants to make a purchase of an amount and she is getting an error.

In other to be sure before her commitment in terms of her funds, the proper thing to do

In this particular scenario is to stop and call the Company.

By informing the company, she puts them in the know as to the present realities that is bent on shaping their business. By contacting them, she is assured of the safety of her funds and also she has instituted the call to give the company the need for them sit tight and work on their services