A computer virus is a type of malicious software program that, when executed, can replicate itself and spread to other computers. A virus can damage or delete data, or even cause a computer to crash.

There are many different types of computer viruses, but they all have one thing in common: they are designed to spread from one computer to another and cause damage. Some viruses are relatively harmless, simply causing a nuisance or slowing down your computer. Others can be destructive, deleting files or even causing your computer to crash.

Viruses are often spread through email, through infected files …