AFAIK you can delete DCX file (make a copy of your DBC/DCX files first just in case) and it would be re-created automatically.

>Sergey and Naomi,
>
>Thanks for your suggestions. I can see the build output in the debugger's output window. The last line before the error message about the Index makes reference to my database.
>
>Sure enough, if I attempt to open that DBC, I get the error message about the Index not matching the table. In Windows Explorer, I note that the size of the DCX file is 0. So, that is what got damanged.
>
>Any suggestions on how to fix this without losing my data?
>
>Jim
>