It is version 7.0.09
cURL is enabled and the license has been downloaded; if I check the licence details on the client area of the site I can see the following, which appears to be correct:
localhost,www.localhost Valid IPs:
::1 Valid Directory:
J:\local_server\xampp\htdocs\calendar\functions License Status:
The calendar works perfectly on the host machine with no errors, the errors only appear on the other machines on the LAN.