Make sure that this version of FTPhoto is appropriate to your platform. Versions offered are:
Windows 7 or better.
OS X/macOS 10.9 or better (64-bit/Retina Support).
Mac OS X 10.6 "Snow Leopard" or better (32-bit)
Linux GTK+2 64-bit (tested on Ubuntu 16.04.3)
Additional requirements:
An internet connection is required for initial setup. Thereafter, the software may be used offline to create/save orders, short of actual uploading.
Minimum display size of 1024x768 is recommended.