Blank screen in LOL screen and Riot client doesn't run. Does

9 Fixes When League of Legends Won't Launch

Loading Screen, League of Legends Wiki

Riot shows off upcoming visual updates for League's pre-game lobby, loading screen, and post-game lobby - Dot Esports

Riot Client black screen · Issue #187 · mmtrt/leagueoflegends · GitHub

League of Legends Beginner's guide - The client and getting started - League of Legends

LoL error codes list: How to fix every error and what they mean - Dot Esports

Why Your Loading Screen Takes Forever in LoL

Fix My League: The First Steps to Tech Help – League of Legends Support

Client is a black screen if I open it via the shortcut, and an error shows up when I open League through Lutris : r/leagueoflinux

How to fix VALORANT black screen on startup error - Dot Esports

Installing the updated League client – League of Legends Support

How to fix the 'process already running: we were unable to successfully install' Riot client bug I get in League of Legends and Valorant - Quora