>>>I am familiar with this KB item, it doesn't mention /A
>>
>>When you execute Setup.exe / it's among the options.
>
>Yup, I know that. :-) But I have no concrete info on what it does. Some speculation. When I try to run it it gives an error.

Old app...old options help. The /A used to be for administrative setup on 16 bit applications. Since VFP no longer uses this...