A computer virus is a type of malware that, once it has infected a computer, can spread to other computers. While there are many different types of computer viruses, they all have the ability to harm your computer in some way.

Some viruses can delete files or folders on your computer. Others can damage your computer’s operating system, making it difficult or impossible to use. Viruses can also steal your personal information, including your passwords and credit card numbers.

Some viruses can even use your computer to spread spam or malware to other computers. This can cause your computer to …