However, if you are familiar with Windows Defender, you will know it doesn’t work like this. Why?Īt first glance, you might mistake this for a warning from Windows Defender. Windows Defender Security Warning Is Fake! It Is a Phishing Scam!ĭo not rush to contact the phone number the window provides because it is not a real alert. The message shows that your computer has alerted us that it has been infected with a Trojan_Spyware. The following image is a real case posted on : This situation always happens when you click a suspicious site or after you mistakenly install malware. You might also see another window with an error code and a support phone number.

When you use your web browser to visit webpages, you might suddenly receive a pop-up window with a message saying Windows Defender Security Warning, access to this pc has been blocked for security reasons. What Is Windows Defender Security Warning? How to Recover Files Deleted by Viruses?.How to Protect Your Computer from Viruses and Malware?.How to Remove the Windows Defender Security Warning from Your Computer?.What Is Windows Defender Security Warning?.MiniTool Software will tell you how to remove it completely. It is a kind of Windows Defender scam or Windows Protector scam. If you see a pop-up window saying Windows Defender Security Warning with a phone number when you are browsing webpages using your browser, don’t trust the information it supplies.

Windows defender security