Apparently, MAL Updater OS X 2.3.7 and Hachidori 2.0 won’t launch due to a framework being built for macOS 10.12 Sierra. If one used a previous versions of macOS, it won’t launch. This has been fixed with the framework.We apologize for any inconvenience caused.
If you can’t launch MAL Updater OS X or Hachidori, please redownload the latest version. 188.8.131.52 for MAL Updater OS X and Hachidori 2.1 to fix this issue. You can redownload the application at our official website: https://malupdaterosx.moe