Virus prevents antivirus updating
Unfortunately, it was discovered that Superfish compromised system security so badly that even the U. Department of Homeland Security issued a recommendation to uninstall it completely.
Within that same month, Microsoft announced that Windows Defender successfully eradicates Superfish, leaving Lenovo users with much peace of mind.
All you have to do is hop over to the Settings page.
There you can: toggle real-time protection; exclude particular file names, file types, and file locations from all scans; exclude particular system processes from being scanned or flagged; exclude archive files or external drives from being scanned; force a System Restore point before scanning; or toggle MAPS participations (covered in the next section). One of the advanced features of Windows Defender is something called Microsoft Active Protection Service (or MAPS for short).
With Windows 8, Microsoft smartened up and decided to expand its functionality to include virus detection and removal.
In other words, Windows Defender is more advanced than it might seem at first glance. This feature is disabled by default and must be manually enabled if users want to participate. By opting in, your computer sends automated reports to Microsoft that describe the various kinds of malware and unwanted software that ends up on your computer.