XP admin pass reset

First of all, get a Windows XP bootable CD, if you don’t have one , please read the section Hacking Techniques – Beginners.
Okay, after you get a Windows XP bootable CD, place it in your CD ROM or CD Re-Writer, now boot your computer through CD.

In Windows XP, during the splash screen, press F4 and then choose boot from CD.

Now, you will see a message on the screen saying that
“Press any key to boot from CD”

Once you get into the setup, you will observe that setup is inspecting your system and loading setup files. Once you get the Welcome to Setup screen, press ENTER to setup windows. The Licensing Agreement will be displayed next press F8 to agree it. The next screen will give you an option to do a repair. You will see that “If one of the following Windows XP installations is damaged, Setup can try to repair it”

Use UP and DOWN arrow keys to select Windows XP Installation and then press R to begin the Repair Process.

You must let the repair run. Setup will now check your disks and start copying installation files, this may take few minutes. After the Copying File process, you will be required to reboot.

NOTE: Reboot will happen automatically, you will see a red progress bar.

“Your Computer will reboot in 15 seconds”

During the reboot, do not press any key to continue because if you do then the normal boot up process will start.
Setup will automatically start and you will observe that Installing Windows is highlighted.

You have to keep your eye on the lower left side of the screen, when you see “Installing Devices”, press SHIFT+F10, this is the security hole in this operating system, you will now see a command console which will enable you to access your system.

Now, you have to type NUSRMGR.CPL and then press enter, to execute your command. Believe it or not, you will now gain a graphical access to your User Account in the Control Panel.

Now, you can do anything, you can change the passwords of the accounts or you can even remove the passwords. After you have completed the manipulations, go to command prompt and type exit. Wait for the repair process to get over, then reboot your system and find the change.

You can also stop the password prompt, for this you must follow the same procedure given above. But, only one thing you have to change, in the command prompt type in control userpassword2, a screen will popup, choose log on without being asked for the password.

NOTE: After making changes in the command prompt or through the command prompt, always exit using the exit command, this will save the changes.