the links on the header also don't work, the Account Info, and contact us?!
The code has to contact with the Apsona server to download the application code each time (and any customisations Apsona have done for you).
There a problem with your communication with the Apsona server (https://service.apsona.com) or more likely, you have entered your ID details incorrectly in apsona_config.php.