It's possible that indexes got corrupted. Try to recreate them.

>Hi,
>Could someone give me more information about this error message -
>
>'The exception unknown software exception(0Xc00000fd) occurred in the application at location 0X0040101e.
>
>This occured when I tried to issue a 'Replace' command on my FoxPro table.
>
>Thanks in advance.
>
>Ria