This is one of the best method to Hack Windows XP Administrator Password.For hacking admin you must have log in as guest or limited account.This methodod hacking sdmin is very easy.You don't need any software or live cd.All hacking is done manual.To hack XP admin password follow these steps.Please backup your files which we are going to use here.
1.Go to C:/windows/system32
2.Copy cmd.exe and paste it on desktop
3.Rename cmd.exe to sethc.exe
4.Copy the new sethc.exe to system 32,when windows asks for overwriting the file,then click yes
5.Now press shift key 5 times you will get cmd prompt close that
6.Now Log out from your guest account and at the login screen,press shift key 5 times.
7.You will get commmand prompt there
Now type " NET USER ADMINISTRATOR mypassword" where "mypassword" can be any password and Administrator is name of admin account ,then press enter.
8.You will see " The Command completed successfully" and then exit the command prompt.
Thats done…You have hacked administrator password
If you have any problem comment here.Please backup your cmd.exe and sethc.exe if you are trying this on your own computer.This works because of sethc.exe process Vulnerability in Windows XP.You can search google for more information about it.
This method of hacking XP admin password can be used in your college lab where you have limited or guest access to computers