When surfing the Internet via a browser, you may see an error stating that your computer is locked and that you must contact Microsoft to resolve the issue. If you ...

In an email we received from Janet D., she shared her recent unsettling experience. Here’s what she described: "I received a pop-up that froze my computer and read, ‘Access to this system is blocked ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

Windows Defender Security Center scam: How to protect your computer from fake pop-ups Tech expert Kurt "CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the ...