About “Windows Defender – Security Warning” pop-ups (Microsoft Scam)

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” signals are absolutely nothing more than a fraud. Don’t call the number in the pop-ups. Microsoft’s error and also advising messages never consist of a contact number.

Microsoft does not send unwanted email messages or make unsolicited phone calls to request individual or payment details or repair your system. Deal with all unsolicited call or pop-ups with suspicion. Do not give any type of your details.

Your internet browser might be redirected to the sites that show the “Windows Defender – Security Warning” fake error messages either by harmful promotions on the websites you see or adware. When it comes via adware, these malicious programs are packed with other cost-free software that you download of the Web. However, some free downloads do not sufficiently disclose that other software program will likewise be installed as well as you may find that you have installed adware without your knowledge.

The “Windows Defender – Security Warning” fake error messages is received such a method regarding trick the user into assuming their computer has collapsed or that an infection has actually been found on the system. It does this to attempt as well as terrify the infected user into calling one of the provided phone number in order to receive assistance. In truth, however, they will just be greeted with people that are trying to sell them unneeded support agreements and also services.

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

What is Windows Defender – Security Warning?

The fraudster will commonly try to get the sufferer to allow remote accessibility to their computer. After remote accessibility is gained, the scammer depends on confidence methods usually involving energies constructed into Windows as well as other software program in order to obtain the target’s trust to spend for the intended “assistance” services, when the scammer really steals the target’s credit 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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