How to Fix League of Legends Unexpected Error with The Login Session

By Ambar Jimenez | 2025-04-22 08:53:43
Fix your League of Legends unexpected login session errors with our expert tips. Follow our guide for quick and easy solutions to get back in the game!
Few things are as frustrating as settling in for an intense League of Legends (LoL) session, only to be blocked by the dreaded "Unexpected Error with The Login Session". This cryptic message can derail your gaming plans, leaving you scrambling for answers. But don't panic! In this guide, we'll break down the root causes of this error and provide actionable, proven solutions to get you back on the Rift in no time, and you will get the best way to enhance your LoL gaming experience.

Fix LoL Unexpected Error with The Login Session


What is League of Legends unexpected error with the login session?

This error typically appears when the LoL client fails to establish a secure connection to Riot Games' servers during login. It's often accompanied by messages like:
  • "There was an unexpected error with the login session. Please try again."
  • "Login session expired."
Players may also experience sudden disconnections, frozen screens, or an inability to access their accounts.

What are the causes of LoL unexpected error with the login session?

Understanding the cause is half the battle. Here are the most common culprits:
  • Network Instability: Weak Wi-Fi, ISP throttling, or firewall restrictions.
  • Corrupted Game Files: Missing or damaged client files.
  • Outdated Drivers/Software: Incompatible graphics drivers or operating systems.
  • Server-Side Issues: Temporary outages or maintenance on Riot's end.
  • VPN or Proxy Conflicts: Third-party tools interfering with the connection.

How to fix LoL unexpected error with the login session?

Now that you know the reasons behind the unexpected error in your League of Legends login session, let's explore some solutions to fix it:


1. The official solution recommended by League of Legends:

  • Press Alt+F4 on the client and click "sign out" not "exit".
  • Press "Ctrl + Shift + Esc" to open Task Manager and close all instances of RiotClientServices.exe and all instances of LeagueofLegends.exe.1
  • Reopen the League of Legends (or Riot Games!) Client and log2 in again.


2. Restart Your Router and PC:

If the official recommended methods don't work, try this most basic yetoften most effective solution, restart your router and PC:

  • Power off your router/modem for 1–2 minutes.
  • Restart your PC to clear temporary glitches.
  • Relaunch LoL and attempt to log in again.


3. Check Network Settings:

If you've configured incorrect network settings for the League of Legendsclient, login errors may occur. Follow these steps to verify yournetwork configuration:

  • Step 1: Navigate to your device's Network Settings or Ethernet Settings page.
  • Step 2: Click on Network and Sharing Center.
  • Step 3: Select your network connection, then click Properties.
  • Step 4: Locate Internet Protocol Version 4 (TCP/IPv4), enable "Obtain an IP address automatically" and "Obtain DNS server address automatically".
  • Step 5: Restart the League of Legends client.


4. Restore or Change Language Settings:

Some players encountering this error for the first time notice unauthorizedchanges to their client's language settings. If this applies to you,reset the language settings to default and restart the client.


5. Toggle VPN Status:

If you're using a VPN while playing League of Legends, temporarily disable it and attempt to log in to the client without VPN connectivity.


6. Update Network Drivers:

Outdated drivers can disrupt your connection, try to update the network drivers:

  • Press Windows + X > Device Manager.
  • Expand "Network Adapters", right-click your adapter, and select "Update Driver".
  • Restart your PC after updating.


7. Reinstall the LoL Client:

Another basic method is: reinstall the LoL client:

  • Uninstall LoL via Control Panel > Programs > Programs and Features.
  • Delete residual files from:
    • C:\Riot Games
    • C:\ProgramData\Riot Games (you might need to enable showing hidden files)
  • Download the latest installer from the official LoL site.


8. Check Riot Games Server Status:

If you've tried all the methods above but still haven't resolved theissue, it's time to check whether the problem lies with League ofLegends' official servers. Follow these steps to verify the serverstatus:

  • Visit the Riot Games Service Status page (you can search for "Riot Games Server Status" in your browser).
  • Look for alerts related to LoL or Login Services.
  • If servers are down, wait for Riot's team to resolve the issue.

By following these steps, you should be able to identify and troubleshootthe "Unexpected Error with The Login Session" in League of Legends andget back to dominating the Rift from Caracas. Good luck, Summoner!

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