Most games have their fair share of bugs and issues that will hamper gameplay, and League of Legends is not far behind. If you are facing an issue that says unable to connect to the authentication service while playing League of Legends, then you can keep reading below about some possible fixes.
Fix League of Legends Error – Unable to Connect to the Authentication Service
While not every issue has an official fix, there are some things you can do to elevate the problem. If you are facing issues with League of Legends giving you an error message that says Unable to connect to the authentication service, then you can try the steps below.
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Check Server Status
If you experience getting logged out of League of Legends frequently, then you should check whether there is any maintenance taking place or if it is a region-wide problem. You can check the status by going to the game’s official website or Twitter page to take note of any update that is happening.
Use Third-Party Troubleshooting
Riot Games has its troubleshooting tool called Hextech Repair Tool. You can download this tool from LoL’s support page. You will have to run the application as Admin for it to make changes and gather information about the game.
Change DNS Server
This is by far the most popular fix among LoL’s community. While this may work for some players, it may not work for all, so proceed with caution.
Go to your control panel by typing it in the Windows search bar. Go to Network and Internet > Network and Sharing > Change Adapter Settings. Right-click on your Wi-Fi or Ethernet connection > properties > Accept prompt > Search TCP/IPv4 connection > select Properties below > Select Use the Following DNS server > Input 8.8.8.8 / 8.8.4.4 > Click OK.
Now restart your system to have the effect take place, then launch the game again to see if it works.
Disable Firewall/Antivirus
Some third-party applications might interfere with the game, so it is best to disable them from Windows and try to launch LoL again. Don’t forget to turn them back on after you are done playing the game.
Reinstall League of Legends
Sometimes, missing or corrupted files might hamper the way the game runs, so it is best to reinstall the game for all the files to load correctly. You can also reboot your system while you are at it.
More Detailed Fix (for Linux Users)
If you are into coding and can understand scripts, then there are detailed Reddit post that explores how to fix the game script to make LoL run again.
Contact Support
Use this as your last resort if you still experience the issue. You can contact the support team to raise a ticket about your query and hopefully, there will be a fix in place for you.
These are just some of the ways you can elevate the problem of getting Unable to Connect to the Authentication Service Error in League of Legends. If you liked this guide you can check out our other guides as well.