Before understanding what a computer virus is, it is necessary to understand what a virus is when it occurs in a living form (such as a human body, an animal, or a plant). Microorganisms such as viruses, are only able to divide within another living cell. It is typically harmful to the cell or body in which it lives, and is the cause of many illnesses and diseases. Registry Easy is an award-winning Windows Registry Cleaner that helps you scan your PC safely. RegistryEasy cleans the errors and invalid entries that cause system slowdown.

Virus can be translated from Latin as ‘toxin’, it is like a toxic substance, able to reproduce in the human cells and cause illnesses such as influenza and the chickenpox. There are many similarities between human viruses and computer viruses. Usually the computer virus is hidden within a program, file or document which means it can be anywhere on your pc.

These viruses are produced by felons, and other knowledgeable cretins with nothing better to do with their time except spread viruses to other people’s computers. The sole purpose of this activity is to create trouble and damage for every pc user. Files and documents can be severely damaged when a computer virus enters the computer, similar to the effects of influenza upon the human body. A computer virus can spread itself through files and documents; such as word-processing documents, spreadsheets, emails, computer programs etc. It can spread itself through removable storage devices such as memory sticks and floppy disks, it can spread itself through the Internet and through local computer networks. Because it is hidden, it is hard to detect and it can be spread to other computers, unknowingly, by the computer user.

What exactly does a computer virus do? Some are very destructive while others cause minor irritations, making your computer seem ‘under the weather’. Macro Viruses, Email Viruses and Trojan Horses. It will be easier to protect your computer against viruses, once you have an understanding of the workings of computer viruses.