Start here (watch for wrap), assuming you mean a CD etc:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platfor
m/shell/programmersguide/shell_basics/shell_basics_extending/autorun/autoplay_in
tro.asp
It might be that if you use "open" on an HTML file it just starts IE
automatically.

Signature
Phil Wilson [MVP Windows Installer]
----
> I've made a setup of my c# application and I have made an MSI version of
> it.I've also made an html file which descirbes the application.How can I
> bring this html page up using AutoRun?
>
> Thanks