I have submitted a pull request which I believe fixes this problem. I am also not a Mac developer. The main difficulty was matching up the error message with the relevant LaunchServices Plist key...
https://github.com/kovidgoyal/calibre/pull/250
I have submitted a pull request which I believe fixes this problem. I am also not a Mac developer. The main difficulty was matching up the error message with the relevant LaunchServices Plist key...
https:/ /github. com/kovidgoyal/ calibre/ pull/250