First, let me say that when posting my issue I was hoping there was a simple fix - I certainly did not intent for this to be a big time consumer when everyone is so busy. So many thanks to everyone.
I reinstalled version 6.1.1 as suggested and while this resulted in v6.1.1 showing as the installed version, the macros still were still not available in FSUIPC buttons. Then I uninstalled FSUIPC via Windows control panel (instead of letting the FSUIPC install process remove the previous version), reinstalled 6.1.1 and now everything is back to as before, that is the axis assignments, and button assignments including the macros.
So, back to normal and thanks again for all the time spent and help.
Martin