1. Go to Start/Run and type in: control userpasswords2 and press ok.
2. On the Users tab, clear the Users Must Enter A User Name And Password To
Use This Computer check box and then click OK.
3. In the Automatically Log On dialog box that appears, type the user name
and password for the account you want to be logged on each time you start
your computer.
Solution 2:
If you have one user account and no password configured, Windows XP will log
you in automatically. Otherwise, you'll have to do the following: Obtain and
install the Windows XP version of TweakUI.
Open TweakUI (it's in Start -> Programs -> Powertoys for Windows XP).
Expand the Logon branch, and click Autologon.
Turn on the Log on automatically at system startup option, type your
username and password, and click Ok.
