A bug is a type of destructive code or program that, when performed, reproduces itself by modifying other computer system programs and inserting its own code. When this duplication prospers, the impacted areas are then said to be contaminated with an infection.
Infections typically spread by creating a copy of themselves on a user's computer system without the user's knowledge or authorization. In a lot of cases, infections will be spread by email attachments or by files shared on peer-to-peer networks. Once an infection has contaminated a computer, it can spread to other computers on the same network.
Some viruses are set to spread themselves in a manner that could trigger major damage to a computer system. https://heathergreenphoto.com/?p=1025 For example, an infection may delete files, fill a hard disk drive with useless data, or corrupt system files. Sometimes, a virus might even show a message or image that is created to frighten the user.
look what i found The majority of infections are fairly harmless, and only cause small inconvenience to the user. Some viruses can be extremely harmful, and can cause widespread damage to computer systems. https://sakeradvantage.com/?p=922