From the Start menu, to File Explorer and to pop-up Notifications, their "suggestions" might be helpful to some, but they’re often ads in disguise.

Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software.

It starts with a pop-up message right in the middle of your computer screen telling you that "access to this PC has been blocked for security reasons." You are urged to call Windows support at the ...