Stop falling for the ” popup ” scam that asks you to call a number and a “Microsoft “support technician will walk you through the fix.
You have been to a webpage that has caused this popup so if you reboot your computer in most cases it will go away. You should also ‘ clear the cache ” of your internet browser.
The real danger comes when you dial that number and you let someone log onto your computer as you will have no idea what they install on your computer.
You will be bullied and harassed to pay some sort of money for the ‘ fix” – do not do this , in fact once again – do not let them logon to your computer.
If you did let someone logon , you have undoubtedly been infected from anything to malware to keystroke loggers and you will need to get your computer checked, your antivirus will be of little help doing this as it did not help you with the original issue , did it !