Go to the Drive where you installed the League of Legends and go to Riot Games > League of Legends.When you delete the files, on the next launch these files are automatically downloaded by the League of Legends Client. Chances are that these files have been corrupted and this may be causing the issue with the update. In this method, we delete the ‘LeagueClient.exe’ and ‘LeagueClientUxRender.exe’ files in the Riot Client folder. Method 1: Delete the ‘LeagueClient.exe’ and ‘LeagueClientUxRender.exe’ Files