Can You Get a Virus From Web Cookies?

When you visit a site, a bit of information can be stored to a file in your computer " known as a "cookie" for future reference. If you revisit the site, the "cookie" file permits the web site to identify you as a "return" guest - and offer you products suited to your interests. These bits of information are data files. Since data files can not be executed, you cannot get infected from a cookie.

Can You Get a Virus From Graphic files such as .BMP, .JPG or .GIF files?

Graphic files (such as .BMP, .JPG or *.GIF files) contain images which are not executed but simply displayed. They are data files and therefor cannot infect your computer. Beware however that some image files contain viewer programs that could contain a virus if you run them.

Is there a master program that can prevent all viruses?

There is no master program that can prevent or get rid of all viruses. Each program tries to detect the latest viruses but with so many viruses being create no one program can protect your computer.

Is a Trojan Horse a virus?

A Trojan Horse is a small program that can act like a virus but can't replicate itself. Trojan Horses pretend to be offering you a gift while at the same time containing a malicious hidden agenda. Antivirus programs don't recognize Trojan horses because they don't operate like traditional viruses.