The Windows Defender security warning that might randomly pop up on your screen while you’re browsing is a type of malware that wants you to lớn trick into contacting scammers. You can get infected with it by visiting a suspicious website, clicking on a malicious link, or simply having adware on your computer.

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Luckily, you can easily get rid of it. In this article, you’ll learn how lớn remove the Windows Defender security warning scam from your computer once & for all. Additionally, you’ll get some useful tips on how to protect yourself from other viruses.

How khổng lồ remove Windows Defender scam?

Reset your browser"s settings or reinstall itScan your computer for malicious softwareFor scans, use a reputable antivirus tool

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What is the Windows Defender security warning?

Windows Defender security warning is a type of scareware or a phishing scam.

It redirects you khổng lồ a page that looks lượt thích the official Microsoft website, even though its URL suggests otherwise. The page will display a message that your computer has been infected with malware (Trojan, for example) và that you need to tương tác a customer tư vấn agent by phone so that they could fix the problem.


One thing you should know about the Windows Defender Security warning is that it looks like a legit message by Windows, và that’s why it’s so dangerous - many users might not even bat an eye & try to google about it.

It is a common tactic of scammers - making a pop-up look as legitimate as possible so that people would not suspect anything bad.

In any case, the telephone number is most likely to direct you lớn a scam gọi center where an agent will either try khổng lồ infect your computer with malware, steal your personal information, or demand you pay money for nhái services.

NameWindows Defender/Security Warning message
TypeScam, Social Engineering, Fraud
DevicesAny device with a website browser, but Windows devices are obviously more targeted
SymptomsFake error messages, kém chất lượng warnings, pop-up errors, fake scans
DamageLoss of sensitive information, identity theft, monetary loss, possible further infections

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Why I am seeing the Windows Defender security warning?

There could be a few different reasons why you’re seeing the Windows Defender security warning. Here are some of the possible ones:

You visited a compromised website that redirected you khổng lồ the scam pageYou clicked an ad that redirected you lớn the fake websiteYou have malicious adware installed on your device

In any case, simply closing the window might not solve the problem, as, once it appears, the pop-up message might show up every single time you open your browser.

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How to remove Windows Defender security warning pop-ups

As the Windows Defender security warning is browser-based, most of the steps you should take khổng lồ get rid of it are also related lớn your browser. Here are the possible measures you can take to make the warning disappear:

Force close và reopen your browserIf this still occurs, you might have adware or some kind of a PUP (Potentially Unwanted Program) installed on your computer và need lớn remove it

If you are unsure which one of the installed apps causes this behavior, an antivirus (like Norton) can detect that for you & remove it from your computer.

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Remove Windows Defender security warning from your browser

Resetting the browser settings is one of the first things you should vị if you want khổng lồ get rid of the Windows Defender Security warning scam. Below you will find the instructions on how to vì chưng it on different browsers.

Remove Windows Defender pop-up from Chrome

1. Click on the three dots at the đứng top right corner

2. Choose “Settings”


3. Click “Advanced ” in the bottom left of the window.

4. Press ”Reset and clean up”


5. Choose “Restore settings khổng lồ their original defaults”


6. Click “Reset settings”

Remove Windows Defender pop-up from Firefox

1. Click the icon with the three lines on the đứng đầu right corner

2. Open “Settings”


3. Click on “Home”


4. Choose “Restore defaults” (if there is no such button, it means that you’re already using default settings)

Remove Windows Defender pop-up from Microsoft Edge

1. Click on the three dots

2. Xuất hiện “Settings”


3. Press on “Reset settings”


4. Click “Restore settings khổng lồ their default values”

5. Press “Reset”

Remove Windows Defender pop-up from Safari

1. Open Terminal (press command + space to xuất hiện the spotlight, type in “terminal”, and click enter)

2. Enter these commands one at a time. Execute each command by pressing “enter” after copying it into the terminal:

rm -Rf ~/Library/Caches/Metadata/Safari;rm -Rf ~/Library/Caches/;rm -Rf ~/Library/Caches/;rm -Rf ~/Library/Preferences/Apple - Safari - Safari Extensions Gallery;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/Preferences/;rm -Rf ~/Library/PubSub/Database;rm -Rf ~/Library/Safari/*;rm -Rf ~/Library/Safari/Bookmarks.plist;rm -Rf ~/Library/Saved Application State/;

How can I protect my PC against viruses?

The Windows Defender security warning scam is not the only virut you can get on your computer. There are lots of even bigger threats on the internet, and you should take every precaution khổng lồ avoid them.

Here are the basic measures to lớn protect your device against viruses:

Don’t click on random links without knowing where they will lead you toDon’t tải về suspicious applicationsKeep your OS & all the software updatedDon’t open suspicious emails or their attachmentsUse an adblocker to lớn block malicious ads

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While, as a program, Windows Defender is a legit one, the security warning that appears on your browser is not. In fact, this seemingly harmless pop-up can vì chưng a lot of damage if you click on it or decide to gọi the number it displays.

Luckily, there are a few ways to get rid of it without causing any harm khổng lồ your device. The most effective ones are restoring your browser settings and scanning the computer with a reputable antivirus tool.

Afterwards, you should also make sure that you don’t get infected with malware again. This means practicing mạng internet hygiene (e.g., avoiding suspicious websites) và getting a good antimalware tool that would prevent such threats in the first place.

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