Google custom search Start - Version 1.4 Google Start CSE (Custom Search) is a program which helps users with errors in browsers. For example, a person entered the wrong site address; the program helps him find the address using the search engine Google CSE. The program can also find similar addresses or similar references to specific sites. This software is relied upon by newcomers to the Internet, and helps with errors inputting site addresses in browsers. It runs with Firefox and Internet Explorer and under any Windows operating system.