how do you delete previous email addresses from the longin bar that the computer seems to keep in its memory?

Answer 1

you need to turn off the auto complete, it will try to fill in the blank fields with the closest match of what you start to type. in internet explorer, click tools, internet options, the click the content tab. you will see the auto complete button, click there, it will let you chose which items you want auto complete to still work on. uncheck the box for usernames and passwords.

Answer 2

After key in id uncheck the box Remember my ID on this computer..