Is an event or action that causes loss of or damage to computer system?

Loss and damage are different issues when related to the computer's hardwares and softwares. Losses are generally caused by improper management of files and folders.

Viruses may cause breakdown, but it reversible by formatting the computer. The individual who operates a computer must be often informed about the improvements provided by the developers of new sofwares, and by the operating system builder.

A computer may work nicely when the operator get informed through informatic forums, by asking questions and watching carefully what the more experient users say about this or that.