5 Ways to Fix League of Legends Will Not Open Issue Just as some users complain, when League of Legends launcher doesn’t open, they can do nothing but to find the League of legends.exe and re-launch it again to see if LOL won’t launch error disappeared. While, many reasons can cause League of Legends not opening on Windows 10, such as the corrupted League of Legends client options. You may ask the question that why my League of Legends won’t open on Windows 10. Sometimes, you may encounter such a problem that it shows game is ready running, but after that, nothing happens. When you click on League of Legends to open it, a small LOL icon appears and then disappeared, the League client is not open. How to Fix League of Legends Won’t Open Issueīonus Tip: Run League of Legends on Game Mode League of Legends Won’t Open Overview