I was communicating with a person I did not no so well. The person was using gmail. I opened/responded to several emails, including opening You.Tube links contained in the email. The person suggested that they had hacked into/hijacked my system. It seems my passwords were stolen from AOL account, Gmail account and possibly the Yahoo account. Desktop icons changed, e-mail settings altered. The person has information that is only stored on my computer (i.e., no one else would have this info unless they had accessed my system. Please any help you can offer. This situation is really unnerving. By the way, I was using YAHOO EMAIL ...