This is the sapphire build click once handler:
https://chrome.google.com/webstore/detail/mitek-sapphire-build-clic/lmcknneefbboddcmbaikdaljpkcnnoib
You will need to install it and download the utility that catches the clickonce events form sapphire:
Ensure popups are not blocked for the following sites (for chrome visit chrome://settings/content/popups)