Why does N6 open "2" seperate Windows When A E-Mail Link Is Clicked?

[Harry Thompson]

My question is: Why does N6 open "2" windows when I click on an 
http://????.htm link within Outlook 2000. I have N6 setup as my default 
browser and it does open only "1" window when a saved htm or html page 
is clicked on, but when I click a link in a "Email" message it opens the 
"2" windows. It only opens "1" if I click on a link on a page within N6 
that is setup to open in a seperate window.