Hmm mystery. What would happen if you called timer.timer explicitly. I suspect something is happening between form init and timer firing.
Would it requery as expected if you totally disable timer and put a commandbutton with only listbox.requery() in it.
Cetin

>Select statements are in the listboxes, nothing in controlsource. No parameter, no code in requery.
>
>I did try your suggestion already, and had no luck with that either.
>
>Kev
>
>>>I gave that a go, and it did stop, so it is initialising.
>>>
>>>Kev
>>
>>PMFJI Kevin,
>>What does your rowsourcetype, rowsource, controlsource etc look like ?
>>Is form called with a parameter in init ? Any code in requery ?
>>Would explicitly calling :
>>
>>ListBox.Init()
>>
>>in form.init help ?
>>Cetin