Operating system: Mac OS 10.13.6
Graphics card: NVIDIA GeForce GTX 1080 Ti 11264 MB
When I open a default project, everything works fine. The moment I switch to Cycles, the software crashes and quits.
This has been tested with a simple sphere on a plane with default light and camera.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).