One of the biggest problems that can happen with your computer is to get infected with a virus. This is such a troubling hassle which can destroy your files and eventually make your computer system crash. Not all viruses, spywares or malwares are that destructive though, as some of them can just be really irritating. One example is window pop-ups that continuously show on your screen. Most of them advertise adult products or sometimes cause your computer to freeze and hang. This is one of the most common symptoms that demonstrate a virus infection on your computer. Viruses are commonly found in unknown websites, emails from strange recipients and infected flash drives. The sad thing is even social networking websites like Facebook and MySpace can also be infected because of hackers. A good example is koobface.  This is a virus program found in Facebook and was created by hackers to get your credit card details and other important information. It would usually contain titles and wor