I am quite sure you are here to search for the way to crack password. And the reason behind this must be that you are many at times resisted by your elder brother/sister/parents/Teachers to enter the computer and use it. They give you only limited access that is you cannot make changes and are restricted. You are limited and can enter in by guest account.
This is one of the best methods to Hack Windows XP or any Windows Administrator Password .For hacking admin you must have log in as guest or limited account. This method of hacking admin is very easy. You don’t need any software or live CD .All hacking is done manual. To hack XP admin password follows 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.
You will get command prompt there.
7. Now type “NET USER ADMINISTRATOR mypassword” where “mypassword” can be any password and Administrator is name of admin account, and then press enter.
You will see “The Command completed successfully” and then exit the command prompt.
That’s done, you have hacked administrator password
(NOTE: 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. This method of hacking XP admin password can be used where you have limited or guest access to computers. It’s all the same as parking at owners risk that is do at your own risk but it works in windows Xp and other versions including 7 and Vista too)