A computer worm is a type of malware that, once it infects a machine, can automatically copy and extend itself to connected devices.

Adware is software that serves advertisements to you, either within your web browser or in other programs.

You’ve heard the term, but what does it actually mean? Learn from our expert how these self-replicating programs sneak in, spread, and slow your system down, plus what you need to know to stay ahead.

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...