Force users to login with their username and password

If you would rather force users to login with their username and password rather than select their username from a list of user accounts, perform the following:

1. In the search box on the start menu type "local security policy"
2. Double click the local security policy entry
3. Open "Local Policies"
4. Select "Security Options"
5. Double click the entry titled "Interactive Login" Do not display last user name"
6. Place a checkmark in the "Enabled" checkbox
7. Click "OK"