I know this topic says resolved but I had the not optimised message appear and now no matter what I do I cannot get WD to start on my mac running High Sierra. It starts then disappears. Error log:
/Applications/weatherdisplay.app/Contents/MacOS/weatherdisplay
Exception EEncodingError in module weatherdisplay at 000665FF.
No mapping for the Unicode character exists in the target multi-byte code page.
FastMM has detected a GetMem call after FastMM was uninstalled.Runtime error 203 at 0001F746