There are two things involved here,
You are having "no password" ie your password is blank , You can not have a blank password when you are doing secondary login. You might not understand this but take my word.
Resolution:
Login as usual as you are.
go to START --> Run --> type CMD
This will open a dos prompt.
over there enter below one line command
Net user <user name> *
[replace <user name>] with your actual username. without <> brackets.
see the example below:
C:\Documents and Settings\Harshad>net user harshad *
Type a password for the user:*******
Retype the password to confirm:******
The command completed successfully.
Note , you will not see the asterisks while typing and retyping your new password, I have deliberately shown them here to make readers understand that they have to type it over there.
Alternately you can provide the password directly on command line instead of an asterisks, * . This will change the password instantly with out asking you to type and retype it. But your password will be visible to people standing near you. (REMEMBER THE PASSWORD OR YOU WILL NOT BE ABLE TO LOG IN WHEN U LOGS OFF AND COME BACK.)
After changing your password if you can not pass to the next step, then probably your a/c is not an administrator a/c. and you need to have administrator rights for your a/c or you may directly have to login as an administrator
Using above method you can change your administrators password also.
Be aware, if you forget your administrator password, there are officially no ways to restore /Change it which can be discussed over here. So pls be very care full while selecting your passwords.
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