If You'll need a new app to open this windowsdefender link message appears every time you open Windows Defender, see this post.

You can now detect and block harmful third-party apps using Windows Defender Antivirus, and in this guide, we'll show you how to do it on Windows 10.

Learn how to whitelist, allow, unblock or block a Program or App in the built-in Windows Firewall. You can blacklist or whitelist apps individually or block a program like Photoshop too from ...