In order for each app to be allowed access to Internet, it needs to be allowed through your firewall. The problem shouldn’t be difficult to solve if you follow the solutions below carefully! Solution 1: Add a Program to Windows Firewall Exceptions The message is usually related to certain online multiplayer video games, Internet browsers, etc.
When new programs are installed, the Windows Firewall does not know how to react to them and it displays the message below. The error is not exclusive to Windows 10 and it can also appear on older versions of Windows since they all contain the Windows Firewall. This error is usually quite annoying because it appears on a daily basis and it also appears in random intervals which leave the user confused about its origin.