How can I determine if the combobox looses its rowsource before it's released?

I have since added a release all before the clear all, but it did not help, but the release all did not blow up on me.

>I've had it happen when a CombBox looses its RowSource before it's released. Is there a ComboBox on a form, and does its RowSource get closed prior to the UnLoad() of the form?
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