INVISIBLE XP ACCOUNT
Here is the way to create Invisble XP Account, all u have to do is follow these steps.
* Start--> Run--> regedit
* HKEY_Local_Machine--> Software--> Microsoft--> WindowsNT--> Currentversion--> Winlogon--> SpeacialAccounts--> Userlist.
* Edit and rename dword user name given for your account.
*Now to access the account just when the login screen comes, Press ctrl+alt+del.
* Don't worry your computer won't get restarted there type your User name and Password to access your account.