>When ever I have had databases, that get garbage at the end of the file, is when there has also been a crashed that cuased the table to not open. Any time I correct the headers, check the data, specifically the last few records in the table.
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Additionally, I recently ran into a problem that was due to system hardware. Occationally bad records would popup. It turned out to be due to a bad link between two servers. When we isolated the application from the link, all problems went away.