It also could be a backup process.

>Aah, but it's not in our hands. Inspired by what you suggested, it is my hunch that it is caused either by copying, done by someone or by some process, or it is the virusscanner. And the memofile is not corrupted at all. This I can affirm.
>
>I understand from your answer that you have no special handling in your exception handler.
>
>I think I'll gonna handle the specific errornumber by RETRYing a number of times.
>
>Thanks for the feedback.