>I check ( for a handful of seconds ) this:
>

>* process 1
>- use table with buffering=5
>- update some records
>- append some records
>- begin trans
>- tableupdate(all) && this lock the header
>* process 2
>- IF BITTEST(SET("TableValidate"),0)
>     use table && fire the table in use error
>  ELSE
>     use table && It is OK
>  ENDIF
>

>
>then try:
>

>SET TABLEVALIDATE TO 0
>

Thanks, Fabio. I sent this idea to my colleague to try.