Verify that Outlook is set as your default mail client. Several Google
products such as the Google Toolbar can still override this though to
advertise GMail. Check the options in such Google products which you might
have installed and disable them.

Signature
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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> Since installing Outlook 2007 on Vista, whenever I click a mailto link on
> a
[quoted text clipped - 3 lines]
> wide on both Google and through these forums, but cannot find anyone else
> who's posted this issue.