For many years we are struggling with issues with FAB3000 not working with unicode characters in path on startup. Autoload on startup does not open gerbers from a path with Unicode characters and Open workspace also does not work with it either - it opens a dialog which says that the workspace could not be opened. If I browse for the gerbers or the workspace manually inside the FAB3000, it is able to open it.
Please make sure to check the option "Permit Unicode/Network Access" in the FAB 3000 Options dialog (menu: Setup > Options...)
Note: If any problems still persist, please let us know and send any sample files (if possible). https://support.numericalinnovations.com/support/tickets/new
When you mention "on startup" are you using FAB 3000 from command-line or selecting gerber files first (and then open with FAB 3000)?
Note: When I start FAB 3000, go to Autoload, and select a folder with Unicode characters it runs (assuming Permit Unicode/Network access).
Thanks again, and we will look to remove any inconveniences when using FAB 3000.