If Windows Defender is missing and is gone or has disappeared in Windows 11/10, here are some suggestions that are sure to help you resolve the issue.

After a Windows 10 version update if you receive message You'll need a new app to open this ms-get-started link when you try to open Windows Tips app, see this fix.

For Windows 10 users, there's a built-in antivirus protection program called Microsoft Defender Antivirus. Here's what you need to know.