A computer virus is a type of malware that, once it infects a computer, can spread to other computers on the same network. It can also spread to other devices, such as smartphones, tablets, and even smart TVs.

Viruses are often spread through email attachments, infected websites, or file-sharing networks. They can also be installed through malicious software programs, which are often called “rogue antivirus” or “scareware.”

Once a virus has infected a computer, it can cause all sorts of problems, including:

– Making the computer run slowly

– Causing the computer to freeze or crash

– Making the computer …