Sergej Singer (1407054) I haven't been able to reproduce this, so it may be something related to your setup. What I can suggest is to remove all but the absolutely necessary settings and see if that helps, and then start adding the settings back to see what caused it.
Hongye Rudi Zhang (1326158) The setting works fine for me. Check that you have it in an airport-specific part of the settings file.
Marius Linge (1621930) I'll make the code forget the old data. When using the external source, I recommend to use the VERSION line in the local file as well so that the local file won't get overruled if for some reason the external data is outdated.
Julian Maushake (1793205) Some people have had the plugin crashing with the up-to-date msvc package installed. In at least one case I believe the cause was that the EuroScope program folder contained older versions of the msvc package dlls (mfc140.dll, msvcp140.dll and vcruntime140.dll). If they are there, remove or rename them. The next option would be to completely remove and reinstall EuroScope. But if I understood you correctly, EuroScope correctly starts up sometimes even now? If that's the case, I don't know what the cause could be. You could then first try removing all the plugin settings and data files to see if it crashes without any extra data, and if it does, then also try removing all other plugins.