>I've encountered this problem before - but I forgot to document the solution:
>
>In a new installation of my program on a customer's PC (Windows 10 pro) reports simply don't show. Preview as well as printig looks like working with an empty result cursor.
>
>On the same machine I can use VFP9.exe to generate and preview a report on the fly with tahe same tables.
>
>All report (preview, output) APPs are present and current.
>
>A default printer is installed and works properly.
>
>Any idea?

Were the FRX/FRT in question built into the executable (e.g. EXE and APP files) ? Did you purge the environment information from the FRX/FRT files (e.g. things like the selected printer, etc.) when building the executable?