Get a firewall on your PC. This should block whatever she is using to send the information off your PC. If you already have a firewall, reset all the programs allowed access.
Clear your browsing history or cache. If it still won't work, delete the username and password then clear your cache. You can also create another username and try entering it so that in case it will still save the username and password, it would do with another account or the latest one you used. Try doing this everytime you log out your real account information. I hope this will work.
Get a firewall on your PC. This should block whatever she is using to send the information off your PC. If you already have a firewall, reset all the programs allowed access.
ya, there is program called concealment