>>I put it in Form.Activate now (it was in different place) and it still works Ok. Maybe, your loop code is something specific. Try it with 'empty' loop, just DOEVENTS.
>
>I thought my loop was as 'empty' as it can be. Here is the code (I borrowed it from Anatoliy's example):
>
>

>LOCAL nIndex
>DO WHILE NOT thisform.lCancel 
>
>    CREATE CURSOR cs (num N(10))
>    FOR nIndex=1 TO 1000
>        INSERT INTO cs VALUES (nIndex)
>    ENDFOR
> 
>    ?? "."
>    DOEVENTS
> 
>ENDDO
>RETURN 
>

>
>What should I clear from my loop?

Put DOEVENTS inside the FOR loop.