Use Database Events in VFP7. You can check for the existance of a variable before tables can be opened.

>Hi All
>I am running a application on a network. In this folder is located my data directory with consists of the database and the table associated with it.
>
>What I am trying to do is to implement some security features .ie. at the moment there is nothing stopping users from copying tabes out of this directory, running a copy of V Foxpro and opening the tables.
>
>Is there a way that I can stop this...??
>
>Reagrds
>Mark