1.Log on safe mode as administrator, may be its password is blank. 2.Have you created a password reset disk?you can use it. I am also lost my password and the two free way are unavailable for me.Finally, I use a program to solve the password problem,you can see this article:How to reset Windows xp/7/vista password Keep your password in mind in future.
I have changed my computer password three days ago then I went for a holiday.Today I really can not remember my new password, I am axious about my task on computer,can anyone help me!Waiting on line...Thanks very much!