This is due to a failure to establish a connection to the checking service host.

Check your internet connection

Check if you can view web pages, for example www.google.com If you can't, please contact your local IT support. 

Check the Auto Update Service is available

Visit trust.sage.com, If there are issues with the service, please wait until these are resolved then retry the update.

Using a proxy server?

If you're using a proxy server, confirm that your proxy settings are in place.

Check your time and date settings

If you're on a network, check the date and time on your computer matches the date and time on the server computer. This is the network server or domain controller, not necessarily the computer that holds the Sage data. For help with this, please contact your local IT support.