9 solutions for forgetting Windows XP login password

If you are a very easy to forget person during the use of Windows XP, then don't forget to create a copy of Windows XP in the first time you set the password. The startup password for the account password, which allows you to avoid the hassle of formatting the hard drive.
Find the "User Account" item from the "Control Panel" and select your account to enter the control interface as shown in the figure. We can see that there is an item in the task list on the left side. Password & rdquo;, click to open “ Forgot Password Wizard & rdquo;, the wizard will prompt to insert a formatted blank disk, the operation will let you enter the password used by the account, you can quickly create A password reset disk.
Later, when we have forgotten the account password, after logging in to Windows XP without using the "Welcome Screen" login method, press “Ctrl + Alt + Del” In the Windows Security window, click the “Change Password” button in the Options and the Change Password window appears. In this window, backup the current user's password, click the “Backup” button in the lower left corner, activate “Forgot Password Wizard”, and follow the prompts to create a password reset disk.
If you enter the wrong password in the Windows XP login window, the "Login Failure" window will pop up. If you really can't remember what your password is, click the "Reset" button. Start the password reset wizard, use the password reset disk you just created, you can use this password to reset the password and start the system. Reset your password and log in to Windows XP.
“ The creation of the password reset disk is dangerous because anyone can use this "password reset disk" to log in to Windows XP. User accounts, operating everything that real users can do, so you must keep the “password reset disk” in the appropriate place to prevent loss or loss of confidentiality.
Method 1——Using “administrator” (This method is applicable to the administrator username is not "administrator" situation)
We know that in the process of installing Windows XP, the first is " administrator” default Log in, and then ask to create a new account to log in with Windows XP when entering this new account, and only the created user account will appear in the Windows XP login interface, and will not appear “administrator”, but actually The  quo;administrator” account still exists and the password is empty.
When we understand this, if you forget the login password, on the login interface, hold down the Ctrl+Alt key and then press the Del key twice to display the classic login screen. Type " administrator” in the name, enter the password blank, and then modify the password of "zhangbp".
Method 2—— Delete SAM file (note that this method is only applicable to WIN2000)
Windows NT/2000/XP uses security account manager (SAM) for security management of user accounts. The security account manager manages the account by using the security identifier. The security ID is created at the same time when the account is created. Once the account is deleted, the security ID is also deleted. The security identity is unique, and even with the same username, the security identity obtained each time it is created is completely different. Therefore, once an account is rebuilt by a username, it will be given a different security ID and will not retain the original permissions. The specific performance of the security account manager is the %SystemRoot%system32configsam file. The SAM file is the user account database of Windows NT/2000/XP. All users' login names and passwords are saved in this file.