Typically, it blocks applications due to unknown publisher or ones from suspicious online sources.
Windows Defender SmartScreen displays this User Account Control prompt to inform you that it has blocked the program for your security. Sometimes this Windows Defender pop-up can protect you from potential cyber threats, however, it can become annoying when you know there’s nothing wrong with your download. However, “This app has been blocked for your protection” prompt prevents you from doing so. You have just downloaded an app that you want to install on Windows 10. Temporarily disable Windows Defender SmartScreen Fix This app has been blocked for your protection via Local Group Policy
Open the blocked file from Elevated Command Prompt Open file blocked by Windows Defender by giving it an exception
