



Every time you download and try to run a program, the feature gathers information about the program and sends the data to Microsoft servers where it is analyzed and compared with a huge database of malicious apps. Windows Defender SmartScreen runs in the background and monitors the execution of apps and websites to determine if they pose any threat. Why Does the ‘Windows Protected Your PC’ Message Appear? The SmartScreen feature is responsible for showing the ‘Windows protected your PC’ error message. The feature now comes built into Windows 10 and is more advanced. Windows Defender SmartScreen is a Windows security feature that was first introduced in Internet Explorer 8, mainly to protect your system from malicious entities that are spread through the internet.
