If you forget your user account password, you can use a password reset disk to create a new password. To complete these steps, you’ll need removable media like USB Flash drive or Pen Drive.
Follow these steps to create a password reset disk.

1.Attach your pen drive with USB Port.
2.Click Start, type Control Userpasswords in the Start Search box, and then click Control Userpasswords in the Programs list.

3.In the left pane Click create a password reset disk.

4.And follow the instructions.

5.Click next on the Forgotten Password Wizard Window.

6.Choose your pen drive in the list and click Next.

7.Type your current User password ,and then click Next.

8.Waiting for some time… When progress reaches 100 % , and click Next.

9.Click finish, And Remove your pen drive from the USB Port.

Note: Make sure you store the password reset disk in a safe place.

Tags: Password, pen drive, Windows Vista