Buug or crash??

Hello

1h20am canada east i get a buggcrash system i have no idea what happenned unable to reconnect no idea if that the server or my computer who provocate this buggcrash

zip crash:

http://www.mediafire.com/file/29x85bg5bl5t5iu/league_client_riotgames_comCrash_082418_010331.zip/file

.dmp file:

http://www.mediafire.com/file/642ee29y262efk2/LeagueClient3UQ153C5.dmp/file

Player : Veemoth