See your post at the link below:

http://forums.cnet.com/5208-7813_102-0.html?messageID=3201738#3201738

In your case, because you live with this particular "spy", you have few options.. If it were me, I would move. Simple as that.. Why live with a criminal?

If that's not an option.... First, I would reformat the computer and reinstall everything from scratch. (I know you've done that already but it's time to do it again.) Next, I would stop accessing the internet at your home and use a connection elsewhere.. Next, I would access all of my email accounts and change the passwords to something complex..

Hope this helps.

Grif