Breaking the Administrator password is just like breaking the Magician's code. At first you must have proper knowledge about the setup of Windows XP. Do not try this hard task if you don’t know anything about the setup process.
Insert your Windows XP CD into CD/DVD drive & boot from it. Gradually, go to the process of repair by pressing “r” & wait until the system restarts. When the left side bar is shown, it’s the time to break the Administrator password. Simply press Shift+F10 from keyboard.Command Prompt/DOS will open, Type
cd.. & hit enter.
cd.. & hit enter again
Then type “NUSRMGR.CPL” & Hit Enter. Now a window will shown include the user account setting. Change the password of any account from it. Type “controluserpasswords2” in the command prompt if you do not want any password to log in. After this operation, close the DOS/command prompt & continue repairing.
