Windows OS

A man types on a computer keyboard in Warsaw in this February 28, 2013 illustration file picture. One of the largest ever cyber attacks is slowing global internet services after an organisation blocking "spam" content became a target, with some experts saying the disruption could get worse.        To match INTERNET-ATTACK/      REUTERS/Kacper Pempel/Files (POLAND - Tags: BUSINESS SCIENCE TECHNOLOGY) - RTXXZVX

What to do when your PC freezes or locks up

It happens to everyone at some point. Without any warning, whether you’re working on an important project, browsing aimlessly or trying to beat your high score on Solitaire, your c...