If you manage to solve your internet connection problem, make sure that you restart the computer before relaunching it. If your relationship is unstable, the game might not launch at all. One of the most common is the user’s internet connection – Make sure that your internet connection is suitable for League of Legends. There are various reasons why the game keeps crashing. Thankfully, we are here to show you how to fix that properly. Unfortunately, some Mac users have reported a persistent error that causes the game to crash on startup, making it unplayable. League of Legends is one of the most played video games available, and it runs on both Windows and Mac computers. Are you unable to open League of Legends on your Mac? If so, we are here to show you a workaround.