Did the "update " and now it can't find the core and we have endless spinning and no options - its sort of like the stuff I deal with at work,,,

Moved your topic to the support section of the forum.
In order for Roon’s @support team to better assist you, please provide a brief description of your current setup using this link as a guide.

Make sure to describe your network configuration/topology, including any networking hardware currently in use, so they can have a clear understanding of how your devices are communicating.