It could be that the Minion hooks into a browser to show the news service. It would probably reach for the system default.
Edit: If this is the case, change your default browser to firefox or something, and then open minion again as you typically would.
And is the term you're looking for UAC(?) (User Access Control). The one that looks like this?
http://www.intelliadmin.com/images/V...C%20Prompt.png