Self HelpBoise Computer Care

Malware & scams

'Your PC is infected' scam pop-up

Fake 'Your PC is infected' pop-up with a phone number? Don't call. How to close it safely, clean the browser, and scan your PC.

Difficulty
Easy
Time
5-15 min
Steps
7
Updated

Sounds like this?

  • Full-screen warning with a phone number
  • Loud alarm or voice message
  • Fake Microsoft or Apple logo
  • Browser won't close

Step by step

  1. Don't click anything inside the pop-up, including X buttons.
  2. Close the browser: press Ctrl + Shift + Esc (Windows) to open Task Manager, select the browser and End task. Mac: Option + Command + Esc › Force Quit.
  3. Reopen the browser. If it offers to restore pages, say No.
  4. Clear browsing history and cookies for the last day.
  5. Check browser extensions and remove anything you don't recognize.
  6. Turn on notification blocking: remove unknown sites from browser Settings › Privacy › Site settings › Notifications.
  7. Run a full scan with Windows Security (or Malwarebytes from its official site).

Related error codes & messages

Quick answers

When should I stop and get professional help with "'Your PC is infected' scam pop-up"?

Stop and get help if: You called the number, allowed remote access, or paid. The pop-up comes back every time you open the browser after these steps. New programs appeared that you didn't install. Boise Computer Care can diagnose it for a $60 fee; call 208-996-3508.

How long does this fix take and how hard is it?

Plan on 5-15 min. Difficulty: Easy.

Is it safe to try this myself?

Mostly, if you follow these precautions: Never call the number on the screen. Microsoft and Apple don't put phone numbers in error pop-ups. Don't install any software the pop-up suggests. If you already called and gave remote access or payment, see our tech-support scam guide now.

Which error messages or codes does this guide cover?

Windows Defender Security Warning, Error # 0x80073b01, Your computer has been locked, Call Microsoft Support.

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