• First you'll need to open a command prompt in administrator mode by right-clicking and choosing "Run as administrator"
• Now type the following command:
  net user administrator /active:yes

Log out and you should see an "Administrator" account available.

my daughter has not used her computer for ages,she has forgotton her log in for when it starts up......despite the prompt reminder etc.........when she does control alt delte and leaves password blank it says........your account has been disabled please seek help from your administrator???? help pleaseeeeeeeeeeeeeeeee