[quote="Guyon":rxn94c1s]...linkman2004 uses explorer (that scoundrel)...[/quote:rxn94c1s]
Man, that's ancient history.
I've been using Chrome since it came out back in '08.
Anyways, what davio meant is for you to use the URL in the "Execute file" action of the file object. That will automatically open the specified URL in the user's default browser, no need to specify any browser.