What is the most common computer virus?

The most common computer virus is a program that attempts to replicate itself by making copies of itself and infecting as many computers as possible. These types of viruses are often spread via email attachments, computer networks, or USB drives. The best way to protect your computer from these types of viruses is to install antivirus software and keep it up-to-date.

How do computer viruses spread?

Computer viruses can spread in a number of ways. The most common is through email attachments. When you open an email attachment from an unknown source, the virus can infect your computer. Another way viruses can spread is by downloading infected files from the internet. This can happen if you download an infected file from a website or if you download a file from a peer-to-peer file sharing network. Another way viruses can spread is through USB drives. If you insert a USB drive into your computer that contains a virus, the virus can infect your computer.

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