... but these days, it's critical that we all grasp how they work so we can protect ourselves. If you have a virus, you are no longer in control of your PC. Almost all viruses can cause damage to your files- mostly because the viruses themselves are poorly written programs. If a virus destroys nothing else, it does destroy your trust in your PC- you feel violated. Virus Types and What They Infect Viruses come in many types; written using many different infection strategies. A virus is a program which reproduces its own code by attaching its self to other programs in such a way that the virus code is executed when the infected program is executed. Viruses do this without the permission or knowledge of the user. Viruses have multiple characteristics and fall into multiple categories.> System Sector Viruses These infect control information on the disk itself.> File Viruses ...

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