What is the most typical kind of bug?

The most typical type of computer virus is the malware.  https://ivfsurvivalguide.com/?p=2554 Malware is a kind of destructive software that is designed to harm or disable computer systems.  this page It is typically spread through email attachments or sites that are contaminated with malware. Malware can also be spread through USB drives or other removable media. https://9tolife.co.uk/?p=2065