I really like firefox and use it always --- there is rare occasion i have to use ie explorer - for some reason had trouble on amazon with firefox --- dont know why. Firefox allows me to lock internet explorer to all of its securest settings and allows me to separate the internet at least somewhat from my operating system. For example, I sometimes seeing quickbooks and other programs trying to access internet when using ie explorer in less secure setting ---- this does not happen when I lock ie to its most secure and just use firefox. Dont know how much more secure it is is --- but feel safer with it. Also, I just like it.