Add/Remove Programs entry for Exact Advertising's NaviSearch. This program changes the default search behaviour of Internet Explorer and delivers advertisements. More information from Symantec can be found here.

The description of the tool is: NaviSearch helps users surf the Internet more effectively, providing relevant search results when a user's action would normally result in "Page Not Found," and when users type searches directly into the address bar. NaviSearch can even automatically direct users to their intended destination when they misspell the URL or forget to type in the ".com". NaviSearch is available free to consumers.