How to change Administrator Password in Windows XP
Its pretty simple to reset administrator password in XP. If you are logged in, its enough. You need not be an administrator for this.
Go To Command Prompt. Type net user
Now you will see the accounts for the PC.
now type
net user Administrator *(If Administrator is an account. It could be sysadmin etc..varies)
It will prompt for password.
Enter the new password twice. It says Command completed successfully. Your Administrator password is changed successfully.