
The warning is “Windows protected your PC. Usually, you will receive a popup if you attempt to run or install an application that Windows doesn’t recognize. This could be a good protective measure for your PC. It is enabled by default and runs in the background to prevent you from running certain apps that are unrecognized by the Windows software database or known to be malicious. Among these features, the Windows Defender SmartScreen feature is representative.

In Windows 10, there are some built-in security features designed to protect your PC from a number of malicious apps and criminal websites.

Case 1: Windows SmartScreen Protection Popup on Desktop Screen Now, let’s see two cases on the “Windows protected your PC” pop-up window.

If you run a program, Windows 10 may give you a pop-up window saying “Windows protected your PC”.
