Roon Core Machine
iMac 2017
4.2 GHz Quad-Core Intel i7
64 GB 2400 MHz DDR4
macOS Monterey 12.0.1
Networking Gear & Setup Details
iMac ethernet connection to Orbi RB50 router
Connected Audio Devices
B&W Formation wedges, Flexes, Soundbar and Bass
Number of Tracks in Library
only 12K or so
Description of Issue
Roon fails to run; all other apps are fine after recent Mac update