Hello @BernardBleau
Below are the 2 generic email adresses I found on their websites. You should try contacting them directly about this issue.
info@zacobria.com
sales@universal-robots.com
Thanks!
BernardBleau
Thank you for your quick reply - much appreciated
Universal Robots and Zacobria are now blocked by our browser - do you have access to them and can you tell them to update their Internet Security Certificate?