Having trouble finding the place where to enable auto-logon in Windows XP Professional? Since it's not so secure, it's well hidden. If you still want the functionality, do the following:

1. Click Start, Run and enter CONTROL USERPASSWORDS2
2. In the list of users, highlight the user account you want automatically logged on.
3. Uncheck Users must enter a Username and password.
4. Click Apply.
5. In the next dialog, enter the password for the account you selected in Step 2, if any
6. OK your way out.