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

A problem with the Microsoft SmartScreen malware-thwarting technology in Internet Explorer 8 rendered countless users unable to access all kinds of sites throughout the day on November 4.

Antimalware efforts might be paying off, as Microsoft reports that the browser's SmartScreen Filter has stopped 1 billion malware downloads since its launch.

The existing phishing filter IE 7 has been renamed SmartScreen Filter and will include blacklist-based blocking of known exploit sites.

Microsoft announced this month that it will stop providing updates for its SmartScreen e-mail spam filters on Nov. 1.

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

Microsoft announced this month that it will stop providing updates for its SmartScreen e-mail spam filters on Nov. 1.

Microsoft has updated its SmartScreen web filter to defend against drive-by attacks in the company's latest tweaks to Windows 10. SmartScreen is designed to protect surfers from various malware ...

It looks like Microsoft is introducing a built-in file checker powered by the SmartScreen Filter in Windows 8. It appears to serve two purposes: to reactively check ...