New Internet Explorer KB articles
When a Web page that hosts Flash advertisements in an iframe object refreshes itself dynamically, Internet Explorer may stop responding
http://support.microsoft.com/default.aspx?scid=kb;en-us;924928
You receive a security warning in Internet Explorer 7 when you visit a Web page that is hosted on a secure Web site:
http://support.microsoft.com/kb/925014
How to use Reset Internet Explorer Settings:
http://support.microsoft.com/kb/923737