Inorthward password-protected Windows XP Home or Professional edition system, each user logs on to his or her own user proper name and countersign to have total access to the Windows figurer. However, Windows user or administrator can still log in to the Windows XP motorcar without knowing the original password, if they accept lost or forgotten the user ID or countersign, by using various bypass or fissure method such as using DreamPackPL to bypass the need to logon using valid account or password, brute force retrieve the Windows passwords for various user or ambassador business relationship with Ophcrack, and using third party services such as Login Recovery to retrieval and recovery of Windows user name and passwords. However, there is i simpler method to hack into a Windows XP system, if the computer owner installed Windows XP, and forgot or non prepare the Administrator account countersign.

By default installation, Windows XP has a built-in Administrator account, which is equivalent to root or superuser privilege business relationship in Linux or Unix, and contains no password. In other word, hacker or any people can simply central in Administrator every bit user name at the Windows Logon Welcome Screen prompt with blank password (no countersign) and get full administrative admission equally superuser to the Windows PC. Worse, most computer owners don't even know such an Administrator account is actually existed, don't even mention they will create or set up a password for Administrator user account.

Windows XP Welcome Screen

So this security vulnerability flaw provides an easy way to login into any Windows XP computer that the user forgets or only does not gear up a password for the Administrator user ID. The trouble is that in normal Windows XP Welcome Screen where yous choose which user proper name you want to log onto, the Administrator user name is not displayed and is not shown. If you tin can't cull or select the Administrator from the login screen, and so how are you going to log-in with the Administrator business relationship? The following video prune provides a simple hack and fox.

Video no longer available

Basically, at Windows XP Welcom Screen, just press Ctrl + Alt + Del keys sequence together twice, and you will be shown a "Log On to Windows" menu which you can specify User Name and Countersign. In the User Proper name text box, key in Administrator and leave the Password field blank. So printing Enter or click on OK. If there is not password protects the Administrator business relationship, or blank password is set, and so you will exist able to admission the Windows with full administrative privileges equally Ambassador.

Update: Ways to recover from forgotten Windows password.