What is Computer Virus?
A computer virus is an executable program created by “mean" people. Depend on the nature of a virus, it may cause damage of your hard disk contents, and interfere normal operation of your computer. These viruses are take place into programs so that programs will run with these particular viruses when it is boots. So these viruses are infected the executable file or program. Viruses work the same ways in all Windows. Virus will active until your infected program or application is executed. Once a virus is active, it loads into your computer's memory and may save itself to your hard drive or copies itself to applications or system files on disks you use. Some viruses are programmed specifically to damage the data on your computer by corrupting programs, deleting files, or even erasing your entire hard drive. Many viruses do nothing more than display a message or make sounds , verbal comments at a certain time or a programming event after replicating themselves to be picked u...