HackTrick

This method can be used 2 change the password of an xp pc without knowing the current password...follow the steps

Start >> Run >> [type]cmd // this will open your command prompt
[type] net(space)user(press enter)
[type] net(space)user(space)[windowsloginid](space)*(press enter)

// for e.g. : net user HOME *(press enter)

[type] new password (press enter) and retype it (press enter).. it will show u confirmation...
// caution it wont show u the password u type.. but it still types.. the blinking pointer will b there at the same place..
but it still works..
// for e.g. : password changed successfully.