Hello Robin,
This is occasionally seen when there are firewall rules in place on the machine, or sometimes when the files are on a network drive. If the installation was done on the C: drive, feel free to email community@pinnacle21.com so that we can provide you with a list of domains that should be whitelisted on the firewall.
Help > Preferences > Resources will display where the Configs and Terminology path is located. This is the one I am most curious about if being on the C: drive or elsewhere.
Kind regards,
Matt