IE9 Lesson 8: The SmartScreen filter IE9 Lesson 10: The one-box search and compatibility view Resources Videos Spotlight: Optimize the Cloud by J. Peter Bruzzese Columnist ...

If you've received this message "Microsoft Defender SmartScreen prevented an unrecognized app from starting," we've got all the details why.

Internet Explorer 8's Smartscreen Filter, used to secure users from dodgy websites, has stopped its one billionth malware download, Microsoft has proudly announced.