Cleaning an infected computer today has become harder than ever. To effectively clean your system you must first learn a little about what you are trying to get rid of and what tools you need to get the job done. I'm going to try to give you some of the background, followed by the basics of getting rid of these pests. Today there are a variety of things that can infect your computer such as viruses, worms, trojans and spyware. I refer to all of them as parasites since that word seems to best describe them. I find it best to use a multi-pronged approach to fighting parasites, so I use several software programs to find and get rid of them. Hopefully, by giving you a little of the background, you will be able to learn what tools to use and when to use them so that you may clean your computer of these parasites. Viruses were the first computer bugs, and anti-virus (AV) software was made specifically to detect and get rid of these. Worms are a little different than viruses, which i...