If you do call the number on the screen, you're walking right into the scammer's trap. They will send you to a series of websites and claim they are fixing your machine, and it ends up costing you ...

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 ...

MUMBAI, India — You know the messages. They pop up on your computer screen with ominous warnings like, “Your computer has been infected with a virus. Call our toll-free number immediately for ...