SmartScreen is practically a dynamic list of known “illegal, viral, fraudulent, or malicious” URLs that Microsoft manually or algorithmally identifies. It uses this list to compare the link or executes a user visits or downloads, warning if there’s a match. It will proactively check the filesystem and attempt to stop and downloads that are foreign to it. Source: I Started Something]]>
All we need iis a feature that will not let you install Firefox or some other program