Er, first of all, strength of password?
It's usually very easy to guess a password of your family member,
especially if you use "words" instead of random characters.
I think your sister is just a slow developer. You need to be
patient with her, and explain things that she doesn't
understand.
If she's good in IT, I think you should encourage her development
in this area. Healthy development, of course.
And there's nowhere better to start, than on sgForums.
