Possible Duplicate:
How do I add new applications to the “Set Default Programs” list in Windows Vista/7?

I've tried to use DefaultBrowser but it's XP only.

How can this be done?

marked as duplicate by Ƭᴇcʜιᴇ007, Karan, HackToHell, bwDraco, Simon Sheehan Dec 22 '12 at 4:30

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From here

According to MSDN, only applications which make use of this feature can add to the list

Default Programs has a new infrastructure to manage per-user file and protocol associations designed with contentious applications in mind. Applications need to register in order to use the functionality of Default Programs.

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