It usually means the memo pointer in the dbf is pointing too a location past the EOF in the memo.
use the UPDATE command to set the pointers to Null or append enough blank records so that the pointers aren't beyond the EOF.

>Hi Gang!
>
>In working with a new (to me, but old) Project, I have an old table called
>
>invrstrings.dbf with its cdx and fpt files.
>
>I can open it just fine with the USE command. It has 4 memo fields in it.
>
>And I can browse it ok... except when the mouse hovers over the last 2 memo files in the browse, it throws up the
>
>"Memo file invalid or missing" error.
>
>So....... any suggestions on how to fix this? I don't have any old backups of this file with this data in it... all I have all blank tables to go back to, and I want to use this data for testing purposes to learn how the program works.
>
>Thanks a bunch!!!