Adam.....

>I suspect your code did something in the wrong order. For instance, if you didn't actually use a System key table. See the problem:
>
>I mean, the ubiquity of your key value errors suggests a programming mistake to me more than a windows buffering nightmare.
>

Your reaction was my first reaction as I inherited the code and did not originally write it. Anyway, it *was* a windows buffering nightmare: Read KB article# Q172086.