Check out the relevant regional links below: Nonetheless, as an officially endorsed tool, it might provide a few answers for those of you wondering why your League client won’t open.

It’s worth noting that this tool isn’t universally available, and (at the time of writing) is still only a beta tool, meaning that total accuracy and freedom from bugs can’t be guaranteed. To help, they’ve put together a tool called Lag Report, which should identify any connection issues affecting your PC, as well as that of your ISP in your local area. The team at Riot Games understand that when your League launcher won’t open, it can be seriously annoying. This might sound simple, but it’s always good to check out the more obvious options first! Lag Report If server issues aren’t behind your League of Legends client not opening, then the next step is to check your internet connection. If your location’s server is working fine, however, then the reason why League of Legends won’t open is likely to come from your end-either due to a problem with your internet connection or an issue from your PC.

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