I found this blog entry on Lifehacker that was both interesting and useful to me. If you are concerned you have malware or some software that is using your computer to connect to the internet, here are a few articles to help you check into it...
Is Your Computer Connecting To Websites Without Your Knowledge
Find Out If Your Computer Is Secretly Connecting to the Web
Lifehacker is an interesting site with tons of productivity tips on various things.
Asymptotic solution to ODE
7 hours ago