Microsoft is pushing out a fix to a bigger number of affected computers, but your PC may need your help to receive them.

Use left and right arrow keys to seek audio. The longer your computer stays infected, the greater the risk to your security and privacy. But how do you know when it's infected so you can take action?

Editor's take: Microsoft has increasingly turned Windows Update into a point of frustration for some users, all while cybercriminals continue to exploit weaknesses in the Windows platform to deploy ...