Just installed Mac v. 2.4.0 of nRF Connect, and the "Start Scan" button is disabled. Here's the log:
2018-07-05T13:43:15.834Z INFO Application data folder: /Users/rob/Library/Application Support/nrfconnect/pc-nrfconnect-ble
2018-07-05T13:43:15.987Z DEBUG App pc-nrfconnect-ble v2.2.0 official
2018-07-05T13:43:15.987Z DEBUG App path: /Users/rob/.nrfconnect-apps/node_modules/pc-nrfconnect-ble
2018-07-05T13:43:15.987Z DEBUG nRFConnect 2.4.0 is supported by the app (^2.4.0)
2018-07-05T13:43:15.987Z DEBUG nRFConnect path: /Applications/nRF Connect.app/Contents/Resources/app.asar
2018-07-05T13:43:15.987Z DEBUG HomeDir: /Users/rob
2018-07-05T13:43:15.987Z DEBUG TmpDir: /var/folders/hh/xsjc40cx0k19q4k8hfcck0hh0000gn/T/
2018-07-05T13:43:16.005Z VERBOSE Could not fetch serial number for serial port at /dev/tty.Bluetooth-Incoming-Port
2018-07-05T13:43:16.006Z VERBOSE Could not fetch serial number for serial port at /dev/tty.RobsiPhone-WirelessiAP
2018-07-05T13:43:16.006Z ERROR Error while probing devices: Error occured when get serial numbers. Errorcode: CouldNotOpenDLL (0x7)
Lowlevel error: JLINKARM_DLL_NOT_FOUND (ffffff9c)
System is a 2015 MacBook Pro with macOS 10.13.5.
My understanding is that "DLL" is a Windows term, not appropriate for Mac.
