Recommended Minimal Security Settings

Close all instances of Internet Explorer and Outlook Express
Control Panel | Internet Options | Click on the "Security" tab
Highlight the "Internet" icon, click "Custom Level"

"Download signed ActiveX scripts" = Prompt
"Download unsigned ActiveX scripts = Disable
"Initialize and script ActiveX not marked as safe" = Disable
"Installation of Desktop items" = Prompt
"Launching programs and files in a IFRAME" = Prompt
"Navigate sub-frames across different domains" = Prompt

Click on the "Content" tab, Click the "Publishers" button
Highlight and click "Remove" any unknowns, click Ok

Click on the "Advanced" tab
Uncheck: "Install on demand (other)", click Apply\Ok