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3 Fixes for Windows Defender Security Warning Scam

Tip: This post may be what you are interested in – How to Remove Adware from Windows 10? Follow the Guide!

Get Windows Defender Browser Protection Scam? How to Remove It! [MiniTool Tips]

When using your browser, you may get a red page saying Windows Defender Browser Protection. Actually, it is a tech spam to trick you into calling a phone number. How can you remove this Windows Defender scam? From this post on the MiniTool website, you know the specific operations. Also, some suggestions to keep the PC safe are told to you.

What Is Windows Defender Browser Protection?

In fact, Windows Defender Browser Protection is an extension for Google Chrome that can be used to protect you against online threats like malicious and phishing websites with real-time protection from Microsoft. Once it finds some threats, the extension can alert you and give you a clear path back to safety.

To install the Windows Defender Chrome extension to your browser, you can visit the Chrome web store page to find it and click the Add to Chrome button.

However, when using your browser, you may receive a red page saying Windows Defender Browser Protection. Actually, the fake error message is a tech spam that pretends to be from Microsoft.

On the screen, the spam tells you that the security system has detected malware and your banking account information is in danger of being stolen. You need to contact the tech support to solve the issue.

If you call the given phone number, hackers will offer a fake solution to your problem and ask for payment. During the process, they may gain access to your computer system and serious results may appear – various infections, serious privacy issues, financial loss, identify theft, and more.

When getting the Windows Defender scam, don’t call the number in the pop-up. Microsoft never offers a phone number in its error and warning messages, and never sends unsolicited email messages to request financial information.

Why do you get Windows Defender Browser Protection on Firefox or Chrome? This is because you are infected with adware or another website that redirects you to this pop-up. Don’t worry if you are encountering the spam and you can follow these operations below to remove it.

Tip: If you get a redirect virus from your browser like Firefox, Chrome, or Internal Explorer (IE), how to remove it? This post is helpful for you – Here’s How to Do Browser Hijacker Removal in Windows 10.

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How to Remove Windows Defender Browser Protection

Deleting the Windows Defender scam from your computer requires a few steps and you should follow the guide below to do this work.

Step 1: Uninstall Malicious Programs from Windows

On your computer, there may be some malicious programs that you don’t know. When getting the spam, you should firstly uninstall some unknown or strange programs from your computer. Follow these instructions:

1. Click the search bar in Windows 10, input control panel to the textbox, and click the result.

2. View all the items in large icons and click Programs and Features.

3. Scroll the list to find suspicious programs. Right-click them one by one and choose Uninstall to remove it.

Note: Look for any suspicious program and any app you don’t remember downloading. Here are some known malicious programs – PDFPoof, SearchAd, BatBitRst, MessengerNow, MyPrintableCoupons, See Scenic Elf, Reading Cursors, ProMediaConverter, PDFOnline-express, etc.

Step 2: Run Some Antivirus Programs to Remove Adware and Malware

To remove the Windows Defender Browser Protection pop-up, the second thing you should do is to run a third-party antivirus program or antimalware to delete adware and malware.


For Windows, Malwarebytes is one of the most popular antimalware. Since it can destroy many types of malicious programs that some other software cannot, it is widely used by many users all over the world.

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Malwarebytes vs Avast, which one is better for you? This post shows some differences between Avast and Malwarebytes.

Malwarebytes has a trial edition that offers you extra functions including real-time protection – web, malware, ransomware, and exploit protection. You can get it from the official website and install it on your computer to start the scan. Once Malwarebytes finds adware and other malicious programs, it can delete them.

Tip: When using Malwarebytes, you may encounter some issues, for example, it is not opening, unable to connect the service, etc. Just click the corresponding link to get the solutions.


HitmanPro takes a unique cloud-based way to perform malware scanning. Once it finds a suspicious file after scanning the files in locations where malware normally resides for suspicious activity, this scanner can send it to the cloud to be scanned by Bitdefender and Kaspersky.

You can get this software and install it on your computer. Then, activate it to get a 30-day free trial to enable the cleanup.


Malwarebytes AdwCleaner is a popular adware cleaner that can find and remove unwanted programs and junkware. Although HitmanPro and Malwarebytes are more than sufficient, we still recommend using AdwCleaner to perform a system scan and make sure your computer is 100% clean.

After installing this free adware cleaner, click Scan Now to perform the scan to find adware, PUPs, and preinstalled software. Then, clean the threats.

Step 3: Reset Your Browser to Default Settings

If your computer still gets the Windows Defender Browser Protection pop-up, you need to reset the browser to its default settings. This step should be done only if your issue hasn’t been solved after finishing the above operations.

Google Chrome

1. Launch this browser and click the three-dot menu to choose Settings. Or, you can type chrome://settings to the address bar and press Enter to enter the settings interface.

2. Expand Advanced, go to the Reset and clean up section, and choose Restore settings to their original defaults.

3. At last, click Reset settings.


  1. Click the three-horizontal-lines menu and click Help > Troubleshooting information.
  2. Click the Refresh Firefox button twice to reset the browser to the default settings.

If you get the Windows Defender Browser Protection pop-up on other web browsers and need to restore the browser to default settings, you can search for the ways online. And here we won’t mention.

After finishing all the steps, your computer shouldn’t have the Windows Defender scam and you can use the web browser properly.

Prevention Tips to Avoid Windows Defender Browser Protection Firefox and Chrome

The tech spam may always bother you. In addition to the Windows Defender spam, you may also encounter others, like Windows Security Alert, Windows protected your PC, Internet Security Alert, etc.

To avoid encountering them again and keep your computer safe, you can take some measures. In this section, we will show you them.

Install a Browser Extension Like Adblock

On your web browser, you can install an extension like Adblock to improve browser speeds, stop annoying ads, and protect yourself online. To block the Windows Defender Browser Protection pop-up on a specific site, you can also install it to Google Chrome or Firefox.

Avoid Installing Adware

You know many malicious programs are bundled with other free software that you download from the internet. And you don’t know you have installed adware on your computer. Usually, there are some symptoms to indicate your system is infected with adware:

  1. Ads appear in places they shouldn’t be.
  2. Web pages that you usually visit display properly.
  3. Websites redirect to some different sites.
  4. The web homepage is changed without your permission.
  5. You see browser pop-ups to recommend fake updates or software.
  6. More…

So, when installing software, you should always be careful. A software installer often includes option installs, and you should carefully choose what you agree to install. Remember to uncheck anything that is not familiar and never install the software you don’t trust.

Besides, you should always keep having a program on your computer to remove malicious apps and adware. In this post, we have mentioned some like Malwarebytes or AdwCleaner.

Tip: This post may be what you are interested in – How to Remove Adware from Windows 10? Follow the Guide!

Some Simple Steps to Keep PC Safe

Also, pay attention to these things:

  1. Don’t install suspicious extensions and add-ons. Also, uninstall some unnecessary programs.
  2. If it is possible, install a program to monitor your system in real-time like WinPatrol.
  3. Don’t click suspicious emails and attachments.
  4. Update the Windows operating system and your browser to block some attacks.

Back up Your Computer

Sometimes, your files may get lost or the system crashes after adware attacks or other threats attacks. So, in addition to the above prevention tips, you can choose to back up your computer. You can back up your files or the Windows operating system. When data is lost or the system crashes, you can quickly get lost files back or restore the system to a normal state.

To do this work, MiniTool ShadowMaker, a free backup software, will be your good choice. With it, you can create a system image, back up files, folders, disks, or partitions regularly. Besides, file sync and disk cloning are supported.

Now, don’t hesitate to download MiniTool ShadowMaker and install it on your computer for computer backup. Note that the trial edition only allows you to free use within 30 days.

Step 1: Double-click the icon of MiniTool ShadowMaker to launch it to the main interface.

Step 2: Navigate to the Backup window, you can find this software has selected system partitions for backup by default. If you want to create a system image, skip this step. If you need to back up files, click Source to choose items you need to back up.

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Step 3: Specify a storage path for saving the backup source. An external hard drive or USB flash drive is recommended.

Step 4: After choosing the backup source and destination, click Back up Now to execute the backup task at once.

Bottom Line

What is Windows Defender Browser Protection? How to remove the Windows Defender scam? What can you do to avoid encountering the scam again? After reading this post, you know the answers. Just follow the steps mentioned above to easily remove the pop-up from your computer. Also, take action to keep your PC safe.

On the other hand, you may have some suggestions or questions. Don’t hesitate and you can choose to tell us by leaving your idea to the Comment part below or sending an email to [email protected] . We will reply to you as soon as possible.

Windows Defender Browser Protection FAQ

Is Windows Defender Browser Protection legitimate?

Windows Defender Browser Protection is a tech spam that pretends to come from Microsoft to urge you to contact a “legitimate” support service.

Does Windows Defender have Web protection?

Windows Defender is an antivirus program from Microsoft that offers comprehensive and real-time protection against many threats including malware, viruses, apps, web, and more.

Does Windows Defender protect Google Chrome?

Microsoft released its Windows Defender extension for Google Chrome and Mozilla Firefox to protect themselves against browser-based attacks.

How do I uninstall Windows Defender Browser Protection?

To remove the Windows Defender scam, you can do these things:

  1. Uninstall malicious programs from Windows
  2. Run some antimalware to remove adware and malware
  3. Reset your browser to default settings
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3 Fixes for Windows Defender Security Warning Scam

Windows defender security warning scam” is an online malicious fraud called fraudulent phishing. It occurs whenever a user visits insecure website and gets tricked into clicking a malicious link. It will lead the user to the stated scam if he clicks on the malicious link. The person who tricked you into clicking now has your details, including credit card details.

This write-up describes various methods for resolving the “Windows defender security warning scam” error.

How to Fix the “Windows Defender Security Warning” Fraud?

These are the methods that we recommend you try to save yourself:

  • Reset browser setting
  • Remove extensions with malicious activities
  • Reinstall browser

Let’s explore all the methods one by one to get the solution.

Fix 1: Reset Browser Setting

First things first, you need to reset your browser because the main root of this problem is your browser. Resetting the browser will stop all the running activities and immediately stop the scanning process. For this purpose, firstly, launch the browser (e.g., “Chrome”) from the “Start menu”:

Left click on three dots and select “Settings”:

Switch to the “Reset and clean up” tab. Choose the “Restore settings to their original defaults” option:

Hit the “Reset settings” button:

After resetting Chrome settings. Restart the system and examine if the problem is fixed or not.

Fix 2: Remove Extensions With Malicious Activities

There is a strong chance that the extensions installed in your browser contain the virus. Maybe the extension is hiding that virus inside it. For that reason, remove corrupt extensions.

Open the browser from the Windows “Start menu”, select “Settings”, and then select “Extensions”:

Now, choose the extension you want to remove, and then click on the “Remove” button:

Left click on the “Remove” button to remove the extension from the chrome browser:

Reinstall Browser

Reinstalling the browsers will permanently remove the virus. To reinstall the browser, first, launch “Apps & features” from Windows “Start menu”:

Now, locate “Google Chrome” in the apps list, and click on the “Uninstall” button to uninstall it:

Clicking on the “Uninstall” button will remove the selected browser from the Windows Operating system.

Visit this link, to download the Google Chrome browser and then install it:

Left click on the downloaded chrome file to install it:

As you can see that Chrome has started to install:

As soon as the installation gets complete, chrome will launch automatically:

Restart Windows 10, and check whether the problem is resolved or not.


Windows defender security warning scam” is a severe type of scam that can loot money and important information through the internet browser. This problem can be resolved by resetting the browser settings, removing the browser’s extensions, or reinstalling the browser. This write-up has provided several fixes to resolve the issue.

About the author

Muhammad Farhan

I am a Computer Science graduate and now a technical writer who loves to provide the easiest solutions to the most difficult problems related to Windows, Linux, and Web designing. My love for Computer Science emerges every day because of its ease in our everyday life.

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