Up andrunnig on a fresh restart. Remember to move Sylvester to the top level of the application folder!
Computer: Late 2011 27" iMac 2.7 GHz i5, 16 GB RAM
OS: Mac OS X 10.11.5 El Capitan
Hardware: Davis wireless Vantage Pro2 Plus w/24 hour FARS, wireless anemometer transmitter, Leaf & Soil Temp/Moisture Station, Weatherlink USB data logger
WeatherCat version: 2.3.1 (build 93), USB driver: CP2102 USB to UART Bridge Controller. Running most of Edouard's AppleScripts, SteelSeries Gauges, and all the upload tools.
Steve