Think twice before you click on that link—even if it was sent to you by a friend or family member. Simply put, a computer virus is a program that you did not install which often performs malicious ...

Curvelayer is a potentially unwanted program, or PUP, that installs software on a computer that constantly opens up video advertisements through your computer. It does this in a way so that the videos ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

While many people believe a 15-year old created the first computer virus in 1982, I'm not so quick to agree. CNET contributor Don Reisinger is a technology columnist who has covered everything from ...