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How to Fix the League of Legends Login Error (LoL Failed to Login Invalid Session)

League of Legends is an online game and its player base is enormous. The game is basically played in an online arena. The game can be played from the desktop and from either an iPhone or an Android phone. 

League of Legends Login Error

Fix League of Legends unexpected login session error

To play League of Legends, you must log into your account. The account can be created using an email, your Google account, or an Apple account. Normally, players remain signed into the game unless they log out however, if you’re trying to play League of Legends and get the Unexpected login session error, try the fixes below.

Force sign out and sign in again

If you keep getting the Unexpected login session error when you open League of Legends, try to log out and log back in.

  1. Open League of Legends.
  2. Click the close button before the error appears.
  3. On the Exit now prompt, click Sign Out.
  4. Quit the game and open it again.
  5. Sign in.

Quit all League of Legends processes

A simple sign out may not be enough at times to fix the Unexpected login session error error. If you still see it, sign out and quit all League of Legends processes.

  1. Open League of Legends.
  2. Click the close button before the error appears.
  3. Click Sign out in the Exit now prompt.
  4. Right-click the taskbar and select Task Manager from the context menu.
  5. Go to the Processes tab.
  6. Look for League of Legends.
  7. Select the process and click the End now button at the bottom.
  8. Repeat for all League of Legends processes.

Disable VPN

If you’re using a VPN to play League of Legends, try disconnecting it. The game isn’t geographically restricted so you don’t really need a VPN to play it. It’s possible that the VPN itself has problems which in turn are causing the Unexpected login session error. Try connecting without a VPN.

Conclusion

League of Legends has thousands of players online at any given time. It isn’t new to dealing with a large number of players and its servers are more than capable of handling them. The Unexpected login session error has more to do with the game that’s running on your desktop than it does with the game’s online servers. Specifically, something stored locally is either corrupt or has expired (much like a cookie) and the game is unable to refresh it. A simple forced sign out is the key to fixing the problem in most cases.

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