Remove “Windows Defender – Security Warning” pop-ups

The “Windows Defender – Security Warning” alerts are a social engineering assault that places your internet browser on full screen and also show pop-up messages that won’t go away, basically locking your browser. These phony alert messages aim to fool you right into calling a shown some support hotline. If you call these scammers, they can use phony remedies for your “problems” as well as ask for payment in the form of a single charge or subscription to a purported support solution.

These “Windows Defender – Security Warning” informs are absolutely nothing more than a scam. Don’t call the number in the pop-ups. Microsoft’s error and also alerting messages never consist of a contact number.

Microsoft does not send out unrequested email messages or make unwanted phone calls to request personal or financial info or repair your Windows. Treat all unwanted phone calls or pop-ups with apprehension. Do not give any individual info.

Your internet browser may be redirected to the sites that display the “Windows Defender – Security Warning” fake error messages either by harmful promotions on the sites you visit or adware. When it comes via adware, these malicious programs are bundled with other complimentary software program that you download and install of the Web. Regrettably, some cost-free downloads do not adequately reveal that other software application will also be installed as well as you might find that you have actually installed adware without understanding.

The “Windows Defender – Security Warning” fraud error messages is received such a method as to trick the user right into assuming their PC has actually crashed or that an infection has actually been detected on the system. It does this to try and also terrify the infected user right into calling one of the listed phone number in order to obtain assistance. In truth, however, they will only be greeted with people who are attempting to offer them unneeded assistance agreements and also solutions.

The “Windows Defender – Security Warning” fake messages will certainly look like this:

What is Windows Defender – Security Warning?

The scammer will usually try to get the victim to enable remote access to their computer. After remote access is gotten, the scammer relies on confidence methods typically including energies built right into Windows and also various other software in order to get the target’s depend pay for the supposed “assistance” solutions, when the scammer in fact steals the sufferer’s bank card account information.

Remove “Windows Defender – Security Warning” pop-ups automatically:

The easiest method to stop “Windows Defender – Security Warning” pop-ups is to run an anti-malware program capable of detecting adware in general. You may try GridinSoft Anti-Malware. It’s good at detecting and removing adware and other PUPs (potentially unwanted programs).


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Other software that may be able to get rid of Windows Defender – Security Warning:

You can also try to remove “Windows Defender – Security Warning” by hand using the following instructions.

Uninstall the suspicious programs from Windows

Go to Programs and Features, uninstall suspicious programs, programs you don’t remember installing, or programs you installed just before “Windows Defender – Security Warning” pop-ups appeared on your browser for the first time. When you are not sure if a program is safe, look for the answer on the Internet.

Windows XP:

  1. Click Start.
  2. In the Start menu select Settings => Control Panel.
  3. Find and click Add or Remove Programs.
  4. Select the program.
  5. Click Remove.

Windows Vista:

  1. Click Start.
  2. In the Start menu select Control Panel.
  3. Find and click Uninstall a program.
  4. Select the program.
  5. Click Uninstall.

Windows 7:

  1. Click Start.
  2. In the Start menu select Control Panel.
  3. Find and select Programs and Features or Uninstall a program.
  4. Select the program.
  5. Click Uninstall.

Windows 8 / Windows 8.1:

  1. Press and hold Windows key Windows key and hit X key.
  2. Select Programs and Features from the menu.
  3. Select the program.
  4. Click Uninstall.

Windows 10:

  1. Press and hold Windows key Windows key and hit X key.
  2. Select Programs and Features from the menu.
  3. Select the program.
  4. Click Uninstall.

Reset the browser settings to remove “Windows Defender – Security Warning” pop-ups:

Remove any suspicious extensions or extension you don’t recognize from browsers. Or your can easy to use Reset Browser Settings via GridinSoft Anti-malware:

Remove “Windows Defender – Security Warning” pop-ups from Google Chrome:

  1. Click on three dots menu button three dots menu at the top right corner of the window.
  2. Select More toolsExtensions.
  3. Click REMOVE to uninstall an extension.
  4. Click Remove in the dialog box.

Remove “Windows Defender – Security Warning” pop-ups from Mozilla Firefox:

  1. Click on menu button Menu button and select Add-ons.
  2. Go to Extensions tab.
  3. To uninstall an add-on, click on Remove button next to it.

Remove “Windows Defender – Security Warning” pop-ups from Internet Explorer:

  1. Click Tools button Tools button in the top-right corner.
  2. Select Manage add-ons.
  3. In the drop-down menu under Show: select All add-ons.
  4. To delete an add-on, double-click it; in the new window click Remove.

Remove “Windows Defender – Security Warning” pop-ups from Opera:

  1. Press Ctrl +Shift + E keys to open extensions manager.
  2. To remove an add-on, click on the x button next to it.
  3. Click OK when asked to confirm.
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About Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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