Snip..
>

>ThisForm.LockScreen=.F.
>Thisform.Label1.Caption='lengthy process .. please wait'
>* lengthy data crunching commands here
>

>
>But it made no difference, so I'm assuming lockscreen is not the problem.
In fact I use plain, disabled textboxes for it and change the value. Even with counters didn't see a problem yet. You might try also.
Cetin