How to get rid of saved passwords on XP
 
1. Right Click on My Computer and choose Properties

2. Click settings under user profiles

3. Click User Accounts link at bottom

 

If this window does not show up, go to the alternate directions.

4. Click advanced tab

Manager passwords

5. Select one and remove it. This will force the user to type in the password when connecting to certain sites. If the user saves the password again (either knowingly or unknowingly) this may have to be repeated.