When you insert a CD into the computer, Windows looks if AUTORUN.INF file is located in the root folder of a CD. If AUTORUN.INF is found, then Windows follows the instructions in this file to run a program. If you want your program, document, presentation or web page to be open, once a CD is inserted, then you need to create AUTORUN.INF file or download a software that does it here>>
http://www.autoruntools.com/express/if u want to know more about the autorun.inf file let me know. but the wizard does it too.