First of all, thanks for reading my question...

I need to distribute a SQL server database in my app using a MSDE to access
it. I have a terrible security problem when my clients has SQL server because
i have to atach the database to that server and then the user "sa" has all
the access to my DB.

How can i change my DB security, as safe as the "sa" user canīt access it

Thanks againg....