Lightning strike. A lightning strike is an electric discharge between the atmosphere and an earth-bound object. They mostly originate in a cumulonimbus cloud and terminate on the ground, called cloud to ground (CG) lightning.
Virus protection software is designed to prevent viruses, worms and Trojan horses from getting onto a computer as well as remove any malicious software code that has already infected a computer. Most virus protection utilities now bundle anti-spyware and anti-malware capabilities to go along with anti-virus protection.
Virus is the programming file.... A computer virus is a program that runs on your computer doing things you would not want it to do. Typically, this will involve doing dama â¦ ge to your hard drive, or sending mail without your permission. A virus gets on to your computer usually when you connect to the Internet. computer virus is a computer program that can copy itself  and infect a computer. The term virus is also commonly but  erroneously used to refer to other types of malwar â¦ e, including but  not limited to adware and spyware programs that do not have the  reproductive ability.