Win xp - how to crack administrator password

Use arrow keys to select XP installation if you only have one, it should already be selected and press R to begin the Repair process. After successful completion of repair windows will restart and again will display "Press any key to boot from CD". Just don't do anything, and it will boot automatically now when you see Installing Device Bar in the lower left bottom corner.

Write command nusrmgr. To edit passwords or remove them, you can also type Change userpasswords2 in the console to add a new user with any password. Now log in with new credentials after the repair process completes successfully. Now double click Administrator option in the right panel. But if it is not there then do right-click in the right-side panel and select a new Dword and name it as Administrator and hit enter. Then do a double click on the newly created option and enter the value to 1 and press Ok.

Now restart the window you will see a new Administrator user login without a password and make it to change the password of the lost account. Once you get the console type "Regedit" command for opening Registry and press Enter. From now on we have to be extra careful as one mistake might degrade our operating System and make it unusable. Note : This SAM file stands For the Security Accounts Manager, which is responsible for managing all credentials of system accounts so it contains encrypted information about the account names and passwords.

After loading the Hive, it will ask for a name, type anything you can remember. In my case, I will give the name "pass". So now the SAM file is loaded into the registry for editing. There are many methods can help crack Windows XP password, but some of them will result in data lost. So it is important to choose a method which is safe to your computer. In this article, I will show you three easy and safe ways to crack Windows XP admin password without losing data, quickly unlock Windows XP in several minutes!

So you are locked out of your computer, you have to use a third way to get back into your computer. Windows Password Rescuer is a professional Windows password recovery tool which can help crack Windows 10, 8.

Then you can use the password recovery disk to crack Windows password on any of your computer. Download and install Windows Password Rescuer Personal full version on another computer which you can log on.

Launch the software. It will give you two ways to create a Windows password recovery disk. Pull down the drive list and select the inserted USB drive. It will automatically create a password recovery disk with your USB in a minute. To crack password on your locked computer, you must boot the computer from USB. Refer to the step-by-step guide if you have trouble to do so. You will see all user accounts of Windows XP are displayed in list. There are a lot of articles floating around that tell interested parties how to use programs like PWdump to get NT password hashes.

The problem is PWdump only works if you can run it from an administrator level account, and if the reason an attacker is cracking the hashes in the first place is to get an administrator account then PWdump is of little use.

The reason an attacker may want to crack the local password instead of changing it is two fold: 1. An attacker doesn't want to tip off the system administrators. If they notice that the old admin password no longer works they will get a bit suspicious don't you think? The same account passwords may be used on other systems on the network. If the attacker can crack one machines admin password that same password may allow the attacker to gain access to other boxes on that LAN that they only have remote access to.

This article assumes that the attacker has only physical access to the machine whose SAM they want to crack and that they also have access to a bootable disk that can read the file system on the target machine. In my example I will use Knoppix, Gzip and a floppy to copy the files.