Are you having trouble playing League of Legends? Several users have reported the error '4' that prevents them from playing League of Legends.
On this page, you will find more information about the most common causes and most relevant solutions for the League of Legends error '4'. Do you need help straight away? Visit our support page.
We've created a list of solutions which you can follow if you want to solve this League of Legends problem yourself. Do you need more help? Visit our support page if you need professional support with League of Legends right away.