Originally posted by Neo
To enable Autologon in Windows® XP Professional
1. Click Start, Run and enter "control userpasswords2" to open the Windows 2000-style User Accounts application.
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.