CatVisa is a cataloging application from the Visa company. The program was designed to keep records of your credit cards as well as detailed information about purchases made with credit cards. It also notifies you about any expiration dates of your credit cards. Somewhat, this application was bundled with the installation of another product. You can remove it from the Control Panel under Programs or Add/Remove Programs.
In order to prevent it from starting, go to Startup tab of the configuration utility (Start > Run > msconfig) and uncheck it.