You’re online when a full-screen warning slams up: “YOUR COMPUTER IS INFECTED — CALL MICROSOFT SUPPORT NOW.” A siren may even blare. It’s a lie, designed to scare you into calling a number that connects you not to Microsoft or Apple but to a scammer. Tech-support scams cost victims — especially older adults — enormous sums every year. The good news: once you know the playbook, they’re easy to shut down.
How the Scam Unfolds
It usually starts one of three ways: a scary pop-up warning while browsing, an unsolicited phone call claiming to be from “Windows support,” or an email about a problem with your device or an account. The goal is always the same — get you on the phone. Then the “technician” asks for remote access to your computer to “fix” it, shows you harmless system files as fake “evidence” of a virus, and pressures you to pay for bogus repairs or software.
The Red Flags
- Unsolicited contact — real tech companies don’t call you about viruses or put a phone number in a pop-up
- Pressure and fear — alarms, countdowns, and “don’t turn off your computer” warnings
- A request for remote access — the moment they ask to control your screen, it’s a scam
- Strange payment demands — gift cards, wire transfers, or cryptocurrency for “repairs”
- Refund twists — later, a “refund” scam claims they overpaid you and asks you to send money back
What to Do
- Don’t call the number — and never let anyone you didn’t contact control your computer
- Close the pop-up safely — shut the browser; if it won’t close, restart the computer. The “virus” warning vanishes because there was none
- If you already gave access — disconnect from the internet, run a security scan, change passwords from a different device, and watch your accounts
- If you paid — contact your bank or card issuer immediately; gift-card payments should be reported to the card’s issuer right away
- Get real help — contact the company directly through its official website, never a number from a pop-up or cold call
Red Flags of a Tech Support Scam
Tech-support scams almost always share the same handful of tells. Spot any of them and you can hang up or close the window with confidence.
- An unsolicited popup or call claiming your computer is infected or compromised.
- A scary, urgent warning with a phone number to call “immediately” — real security software never does this.
- A request for remote access to “fix” your machine, which actually hands them control.
- Payment by gift card, wire, or cryptocurrency — no legitimate tech company is paid this way.
- Claims to be from a big-name company like Microsoft or Apple, who do not cold-call you about viruses.
Frequently Asked Questions
Will Microsoft or Apple ever call me about a virus?
No. Major tech companies do not place unsolicited calls or popups telling you your device is infected. Any such contact is a scam — hang up or close the window.
I gave a scammer remote access — what now?
Disconnect from the internet, run a security scan, change your passwords from a different device, and contact your bank if you shared financial details or paid. Consider a professional cleanup if sensitive accounts were exposed.
How did they get my number or know my name?
Often from data breaches, public records, or random dialing. Knowing your name doesn’t make a caller legitimate — verify independently before trusting anyone who contacts you out of the blue.
The Bottom Line
Tech-support scams use fake virus warnings and impostor “technicians” to frighten you into granting remote access and paying for problems that don’t exist. Microsoft and Apple will never cold-call you or post a help number in a pop-up. Don’t call, never grant remote access to a stranger, close the warning by restarting if needed, and reach real support only through a company’s official site.
Further Reading
- Phishing Patterns Explained
- Gift Card Scams
- What to Do If You’ve Been Scammed
- Scams & Fraud Protection Hub
Educational only. Scam tactics evolve constantly. If you believe you’ve been targeted or have lost money, report to the Federal Trade Commission at reportfraud.ftc.gov, the FBI’s Internet Crime Complaint Center at ic3.gov, your state attorney general, and your local police. For lost funds, contact your bank, credit-card issuer, or payment-app support immediately — speed of reporting often determines whether funds can be recovered. This article is not a substitute for legal or financial advice.