If's there's one thing we hate, it's Brussels sprouts. If there's two things we hate, it's Brussels sprouts and sneaky programs that automatically install add-ons into our Internet browsers. Turns out we're not the only ones. Those pesky unapproved add-ons have been a thorn in the side of Mozilla, who shoulders the blame when the invaders cause crashes and browser lagging. When Firefox 8 rolls around, unauthorized add-ons will be a thing of the past: the browser won't allow installations without the express permission of users.