Lost Ark Gamers have recently experienced authentication error 10010. Thankfully, there are several methods you can use to try and fix how to fix Lost Ark Authentication Failed error. How to
Restart the Lost Ark client.
This is the most basic troubleshooting step to try first. Close the game and restart it. This may automatically resolve the issue.
Clear your DNS cache.
If restarting the client doesn’t work, try clearing your DNS cache. This resets the connection to the game server and may fix authentication errors. To do this, open a command prompt and type ipconfig /flushdns. Press Enter and then reboot. Lost Ark client.
Change DNS settings.
Another potential fix is to change your DNS settings. To do this, go to Control Panel and select[ネットワークとインターネット]then click[ネットワークと共有センター]Click. From there,[アダプター設定の変更]Click. Right-click on your active network connection,[プロパティ]Choose. Click Internet Protocol Version 4 (TCP/IPv4),[プロパティ]Click.[次の DNS サーバー アドレスを使用する]and enter 8.8.8.8 for Preferred DNS Server and 8.8.4.4 for Alternate DNS Server.[OK]Click then reboot. Lost Ark client.
Related:
Escape From Tarkov June 29th Update Patch Notes
Verify integrity of Steam files
If the issue persists, try verifying the integrity of your Steam files.To do this, right click Lost Ark Click[プロパティ]Choose.[ローカル ファイル]tab,[ゲーム ファイルの整合性を確認する]Click. Steam will check your files and replace any that are corrupted.Once the process is finished, reboot Lost Ark Check if the Lost ArkAuthentication Failed error is fixed.
reinstall the game
If none of the above methods work, your last resort is to reinstall the game. This will delete your game data, so be sure to back up any important files before continuing. To do this,[コントロール パネル]Go to[プログラムのアンインストール]Click.select Lost Ark Click Uninstall. After uninstalling the game, restart your computer and download and install the game from scratch.
I have provided some methods that might help you fix it, Lost Ark Server authentication failed 10010 error. There is no guarantee that any of them will work for everyone. If you have tried all of these steps and are still having issues, feel free to contact customer support. official forum.
