League of Legends unexpected error with the login session in 2021: How to fix it?

League of Legends unexpected error with the login session in 2021: How to fix it?

An unusual error in League of Legends is troubling many players lately. Read this full article to learn more about this issue and know how to fix this issue in 2021.


A 2009 multiplayer online battle arena video game, League of Legends is a popular PvP combat game. This game was originally released for Microsoft Windows in 2009 but later, its macOS version was released in 2013. The game has experienced a loyal fan base through its journey. It has been almost 11 years since the game’s release and it has gone through many ups and downs in its journey. This article is about an unusual error that LOL has faced. This error pops up with the name, “Unexpected error with the login session”. Continue reading to know more about this error and how to fix it.


Error Code: Unexpected error with the login session


This error had ruined many game plans for the players. This error pops up when the players are trying to log in to the game. It is an unusual error, but the good news is that we have a permanent solution for you to fix this issue. This fix works for all the LOL Players.


How to fix it?


Just follow these simple steps to fix this error.


  1. Press Alt+F4 on the client and click “sign out” not “exit”.

  2. Press Ctrl + Shift + Esc to open Task Manager and close all instances of RiotClientServices.exe and all instances of LeagueofLegends.exe

  3. Reopen the League of Legends (or Riot Games!) Client and log in again.

If you are still experiencing some issues, repeat these steps and also close the program “KillerServiceNetwork.exe” as this program might be prioritizing bandwidth to your online streams and reducing the bandwidth for League of Legends, causing you to disconnect.


This fix has been officially announced by the Riot Games on their official website. Share this article with your friends to help them fix this issue.


Enjoy Gaming!!