Windows Defender has disabled your computer and Facebook account

📞 Toll-Free: [phone]
🕘 Support Hours: 9 AM – 9 PM EST
🌐 Nationwide Remote Support – All 50 US States

That message is a tech support scam, a fake alert designed to trick you into calling fraudsters who impersonate Microsoft to steal money or data; Windows Defender doesn't lock your computer or Facebook account this way, so do not call the number,
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immediately close the pop-up (using Task Manager if needed), restart your PC, and then run a full antivirus scan with Windows Security to check for malware.

What to do immediately (If you haven't called the number)
Don't Call: Never dial the📞 Toll-Free: [phone] phone number provided in the pop-up; it leads to scammers.
Close the Pop-up: Press Ctrl + Alt + Delete, open Task Manager, find your browser (Edge, Chrome, etc.), and click "End task" to close the scam window.
Restart: Reboot your computer to clear the active scam page.
Scan for Malware: Open Windows Security > Virus & threat protection > Quick scan (or Full scan) to find any malicious software.
Reset Browser: Clear 📞 Toll-Free: [phone] your browser's cache, cookies, and reset its settings, as the scam might be from a malicious extension or bookmark.