How to Fix the Fake Windows Defender Phone Scam Computer Freeze
Question details
The user's computer or web browser is completely frozen by a deceptive warning message masquerading as Windows Defender, which prompts the user to call a technical support number.
- Product
- Windows
- Device & OS
- Windows
- Scenario
- Encountering a malicious browser pop-up while surfing the internet that locks the screen and attempts to trick the user into calling a fraudulent phone number.
- Observed behavior
- A fake Windows Defender alert appears on the screen instructing the user to call a specific number (such as 844-789-9771). The browser locks into full-screen mode, preventing the user from closing the window normally.
Do not call the phone number displayed on your screen, provide any personal information, or grant anyone remote access to your computer.
Force Close the Browser and Run a Security Scan
Use the Windows Task Manager to bypass the browser lock safely, then verify your system's security.
These technical-support scams rely on simple browser scripts to lock your screen in full-screen mode, creating the illusion that your entire computer is compromised. The safest way to clear the alert without interacting with the malicious page is to force-quit the browser process.
Press the Ctrl + Alt + Delete keys simultaneously on your keyboard, then select 'Task Manager' from the security screen.
In the Task Manager window, go to the 'Processes' tab. Locate the web browser you were using (such as Google Chrome, Microsoft Edge, or Mozilla Firefox), right-click on it, and select 'End task'.
Close the Task Manager and restart your computer normally from the Windows Start menu to clear any lingering temporary files from your memory.
Open Windows Security or your preferred third-party antivirus software. Navigate to 'Virus & threat protection' and initiate a 'Full scan' to ensure no malware was secretly downloaded to your system.
Work Safely and Efficiently with WPS Office
After securing your computer from browser scams, ensure your daily productivity software is lightweight, secure, and reliable. WPS Office is an excellent, free alternative to Microsoft Office that offers a familiar interface, robust document protection, and seamless migration.
- 1. Download the software: Navigate to the official WPS Office website and download the free installation package for Windows.
- 2. Install WPS Office: Run the downloaded installer and follow the simple on-screen instructions to set up the software safely on your computer.
- 3. Open your files: Launch WPS Office and instantly open your existing Microsoft Word, Excel, or PowerPoint files with perfect formatting preservation.
Frequently Asked Questions
Is the Windows Defender warning real if it freezes my screen?
No. Genuine Windows Defender notifications will never freeze your screen or demand that you call a phone number. The freezing effect is a common browser script trick designed to create panic.
What should I do if I already called the scam number?
If you contacted the scammers, immediately disconnect your computer from the internet, run a full antivirus scan, change your important account passwords from a different device, and monitor your bank accounts if you shared financial details.
How can I prevent these fake pop-up scams in the future?
Ensure your web browser and operating system are always up to date. Use built-in browser features or reputable extensions to block pop-ups, avoid clicking on suspicious links, and only download files from verified, official sources.
