Hello Eddie. I'm sorry I can't be of much help, but I'd guess that if you created a "basic" predefined profile and spread it around all your user accounts, that would do the trick (since profiles are account specific). See this for more info on profiles: http://support.mozilla.com/en-US/kb/Profiles Of course, this will require you to paste the "basic" profile on every new user account you create, so that might be a problem. Again, I'm sorry I can't be of more help. I believe the only reliable way to do this is to modify Firefox, compile it yourself with the modifications, and install that build. Of course, if the browser is updated, new profiles created after the update would, theoretically, be "normal" profiles, so you may need to create your own update service for that. Which is less that simple. Unless there's an inbuilt feature for this, which I'm not aware of, so here's hoping there is and someone knows about it and posts here.