Windows Defender Security Warning – Warning Scam
Quick answer
What to do about Windows Defender Security Warning – Warning Scam
Short answer: Windows Defender Security Warning – Warning Scam is usually a browser pop-up, redirect, or notification-permission problem rather than a normal system message.
Start here: close the tab, do not press Allow, remove the site from browser notifications, and check recent extensions if it returns.
Need browser steps? Use our browser notification scam removal guide for Chrome, Edge, Firefox, Safari, and Android.
The “Windows Defender Security Warning” Scam a social engineering assault that places your internet browser on full screen and also shows pop-up messages that won’t go away, basically locking your browser. These phony alert messages fool you right into calling a shown support hotline. If you call these scammers, they can use phony remedies for your “problems” and 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 emails or unsolicited phone calls to request individual or payment details or repair your system. Deal with all unsolicited calls 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 “Security Warning” fake error messages by harmful promotions on the websites you see or adware. Regarding adware, these malicious programs are packed with other cost-free software you download from the Web. However, some free downloads do not sufficiently disclose that other software programs 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 are received such a method to trick the user into assuming their computer has collapsed or that an infection has been found on the system. It attempts to terrify the infected user into calling one of the provided phone numbers to receive assistance. In truth, however, they will just be greeted by people trying to sell them unneeded support agreements and services.
The “Windows Defender Security Warning” fake error messages will certainly look like this:
The fraudster will commonly try to get the sufferer to allow remote access to their computer. After remote accessibility is gained, the scammer depends on confidence methods, usually involving energies constructed into Windows as well as another software program to obtain the target’s trust to spend for the intended “assistance” services when the scammer steals the target’s credit card account information.
How to Remove “Windows Defender Security Warning” Pop-up Scam:
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. You may try GridinSoft Anti-Malware. It’s good at detecting and removing adware and other PUPs (potentially unwanted programs).
Other software that may be able to get rid of Windows Defender Security Warning:
You can also try to remove “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 “Security Warning” pop-ups appeared on your browser for the first time. When unsure if a program is safe, look for the answer on the Internet.
Windows 11:
- Right-click the Start button and select Installed apps.
- Sort apps by install date and remove suspicious programs.
- Restart the PC.
Windows 10:
- Right-click the Start button and select Apps and Features.
- Select the unwanted program and click Uninstall.
- Restart Windows.
Reset the browser settings to remove “Windows Defender Security Warning” pop-ups:
Remove any suspicious extensions or extensions you don’t recognize from browsers. Or you can easy to use Reset Browser Settings via GridinSoft Anti-malware:
Remove “Security Warning” pop-ups from Google Chrome:
- Click on three dots menu button
at the top right corner of the window. - Select More tools ⇒ Extensions.
- Click REMOVE to uninstall an extension.
- Click Remove in the dialog box.
Remove “Security Warning” pop-ups from Mozilla Firefox:
- Click on menu button
and select Add-ons. - Go to Extensions tab.
- To uninstall an add-on, click on Remove button next to it.
Remove "Security Warning" pop-ups from Microsoft Edge:
- Open edge://extensions/ in the address bar.
- Turn off or remove extensions you do not recognize.
- Open edge://settings/content/notifications.
- Remove "Security Warning" pop-ups and other suspicious sites from the Allow list.
- If redirects continue, open edge://settings/reset and use Restore settings to their default values.
Remove “Security Warning” pop-ups from Opera:
- Press Ctrl +Shift + E keys to open extensions manager.
- To remove an add-on, click on the x button next to it.
- Click OK when asked to confirm.




