computer vires and antivires

Development in a computer hardware and software there is developed many kind of vires are developed to create many problem in your computer and to defence your computer fromvires,many antivires are also developed.Due to many cause vires enter to your computer like USB port where you use pendrive and all,due to internet,many viresed CD, DVD and many more.Vires is a one of the computer program which can copy itself and infect your computer.A vires can spread from one computer to another computer,and one drive to computer and vice versa.To solve vireswe can have many antivires software.To help avoid vires,you must keep your computer latest updates and antivires tools and you must be alert when you having internet ,downloads and openattachments.