On my wife's computer in internet explorer, some links just won't open. Most will. When I try to open a video link it just does nothing. I have reset all the security settings and privacy settings to default and deleted my cookies and files, even rebooted after that. I won't go to this website www.comcast.net either. It just brings up a blank page. There are three users on her machine, me, my son and her. Internet explorer works correctly in both mine and my sons profile, but not hers. All accounts were created as administrators. Please help.