💻 The "Microsoft Calling" Tech Support Scam
You're browsing when suddenly: a loud alarm, a flashing red screen — "WARNING! Virus detected! Your files will be deleted! Call Microsoft Support immediately at 1-800-XXX-XXXX!" Your heart races. It's all fake. That pop-up is an advertisement bought by criminals.
How it works
- The scare. A full-screen pop-up locks your browser with alarms and warnings. It may even speak to you. It's just a webpage — your computer is fine.
- The call. You dial the number. A polite "technician" (often with an American-sounding name) says hackers are inside your computer.
- The takeover. They ask you to install remote-access software (TeamViewer, AnyDesk). Now they can see everything — passwords, bank logins, photos.
- The bill. They "find" terrible problems and charge hundreds for "repairs" or a "lifetime protection plan." Sometimes they just empty your bank accounts directly.
The truths that kill this scam
- Microsoft and Apple will NEVER call, text, or pop up warnings asking you to call them. Ever. Any message claiming otherwise is a scam.
- Real virus warnings come from your own antivirus program — quietly, in a corner — never with alarms and phone numbers.
- No legitimate technician needs you to install remote-access software from a cold call or pop-up.
What to do when the scary pop-up appears
- Don't call the number. Don't click anything inside the pop-up — not even the X, which can be fake.
- Close the browser: hold Alt + F4 on Windows (or force-quit on Mac). That kills the fake page.
- Restart and run your real antivirus scan (Windows Security is built in and free).
- If you did let someone connect: turn off your computer, call your bank from another phone, and get help from a trusted local technician or family member.
Unsure about a computer warning?
Describe it in our free checker — we'll tell you if it matches known scams.
Check It Now — Free →But the pop-up had the Microsoft logo. How is it fake?
Anyone can copy a logo — it's just a picture. A real Microsoft warning would never include a phone number begging you to call, and Microsoft never locks your browser with alarms.
I installed the remote software they asked for. Am I in danger?
Yes — treat it seriously. Disconnect from the internet, uninstall the program, run a full antivirus scan, and call your bank to watch for fraud. Then have a trusted person help you change important passwords.
Sources: FBI IC3 2025 Annual Report (tech support fraud among costliest for 60+); FTC. Last updated October 2026.