The only time I seen a FoxPro application quitting w/o any error messages was when tables or indexes got corrupted.

>Mmmm No, I´m not create an error handler! That´s a good point.
>
>In the other hand, it's a very simple login, just check users.dbf and if the user is found, get the info for 2 vars, user that stores the user_number to record any movement and user_level that specify wich modules the user can access.
>
>Hope this can give you a clue.