Vista64 which reg keys control default browser?

[MilesAhead]

I'm piecing together a little script to open different browsers depending which application tries to open a url(not another browser but like if you double click a url in EditPad as example.) That part is easy if I can get Windows to set my program as the default browser.

Seems like Vista64 is wicked complicated in this case. Has anyone worked with this and maybe can give a few hints?

Using the Browser Chooser utility as a stalking horse I get these entries

(just showing the start of lines to avoid wrap)

HKCR\BrowserChooserHTML REG_SZ Browser Ch

HKCR\BrowserChooserHTML URL Protocol REG_SZ

HKCR\BrowserChooserHTML\DefaultIcon RE

HKCR\BrowserChooserHTML\shell\open\command

HKCR\Local Settings\Software\Microsoft\Windows\She

HKCR\Local Settings\Software\Microsoft\Windows\She

HKCR\Local Settings\Software\Microsoft\Windows\She

HKCR\Wow6432Node\BrowserChooserHTML RE

HKCR\Wow6432Node\BrowserChooserHTML URL Protoc

HKCR\Wow6432Node\BrowserChooserHTML\DefaultIcon

HKCR\Wow6432Node\BrowserChooserHTML\shell\open\com

HKCR\Wow6432Node\Local Settings\Software\Microsoft

HKCR\Wow6432Node\Local Settings\Software\Microsoft

HKCU\Software\Classes\Local Settings\Software\Micr

HKCU\Software\Classes\Local Settings\Software\Micr

HKCU\Software\Classes\Local Settings\Software\Micr

HKCU\Software\Classes\Wow6432Node\Local Settings\S

HKCU\Software\Classes\Wow6432Node\Local Settings\S

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\CurrentVersion\Exp

HKCU\Software\Microsoft\Windows\Shell\Associations

HKCU\Software\Microsoft\Windows\Shell\Associations

HKCU\Software\Microsoft\Windows\Shell\Associations

That's a lot more than just setting HKLM HTML. Sheesh!!