>Yes, I am using table buffering. Unfortunately, this bizarre behavior happened after i did the tableupdate.
>I even test it by open/close the program, it seems tableupdate succefull, and all the changes made to the basetable.

Are your indexes part of a STRUCTURAL CDX, or are they in a different CDX file or are the separate IDX files? The indexes have to open when new records are added or they don't get updated.