"Unknown error" with Data Warehouse or Auto Backup

When trying to auto-update or connect to Data Warehouse I am receiving the message "There was an error connecting to the server. The error was 'unknown error'".

Check that you are on the latest version. You can do this by going to Help > About and our most recent version is on the website. If you are not on the most recent version please upgrade. 

If the problem persists, please contact Practical Systems.