Bear with me, I'm trying to remember XP, Go to the top of your screen and find Tools. Click on tools, and in the drop down box is Internet Options. In Internet Options is a box that says "Delete Cookies", and delete them. It also says in that box somewhere (without opening any of the tabs on...
Get a professional to wipe your computer out, bacause if you allowed them remote access to your computer, then it doesn't matter if you changed passwords or not. Or get some advise here about how to strengthen your firewall, so that they don't have access. And delete your cookies and temporary...