You get all but one of the users out of the app, then the user who is still running the app runs a routine that clears all flags then is also logged out, then everyone can run the app again.

>>You would have to have a routine that the users can run after a crash, that would clear all flags, that is with no one using the app.
>
>Can you say about this routine clearly? How i make this?
>Suppose a crash occure in 2012/03/05;08:00 and now is 2012/03/05;08:30, i think my table as below:
>

>UserCode - UserName - DatTimIn
>01         User01     2012/03/05;08:05
>02         User02     2012/03/05;07:30
>

>User01 run the program in 2012/03/05;08:05 and is ok.
>User02 dont run the program after crash, but i think he/she run the program successfully. NO?
>Please guide me more.
>
>thanks