Some applications are just hard coded to open Internet Explorer 7 as the
default browser. Services such as Windows Update for example use IE by
default and since Windows Live Messenger is a Microsoft product, I assume it
might also be set to open by default with IE only.
My Vista Quickstart Guide: http://adacosta.spaces.live.com/blog...3DB!9709.entry
"mbyhsun" <firstname.lastname@example.org> wrote in message
> I recently switched to Firefox. It is acting as the default internet
> browser. But some of the programs (e.g. MSN messenger and Yahoo
> Messenger) still use IE7 as their default browser. Whenever I click a
> link within Yahoo Messenger, the IE7 will pop up, then it will get stuck
> and can not be turned off. Is this due to some incompatibility between
> IE7 and Firefox? How can I fix it?