XP system new account after the administrator account disappears how to do
1. Press and hold ctrl+alt+ two times Click del can pop-up account login window, and then enter the username password can enter, but some machines may be based on the reasons not.
2. Modify the Registration Form
Hkey_local_machine--software--microsoft--windows Nt--currentversion--winlogon--specialaccounts--userlist, Then select the Administrator in the right window and then right-click--Modify--Select decimal--Enter 1 in the Value data text box.
Note: If you do not have an administrator, you can create a new one by yourself, right in the margin of the right area--a new--dword (value)--rename it to the administrator, and then modify its value according to the second article above. This allows the administrator to appear in the account login interface.