Lost Ark Error Code 210: How to Fix It
Easy 5-30 minutes Medium Severity
Verified June 2026
- Error Code
- 210
- Brand
- Popular Games
- Product Type
- game
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 5-30 minutes
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Tools You'll Need
- Windows PC with Steam installed
- Stable internet connection
- Administrator access to your Windows account
- Command Prompt (built into Windows)
How to Fix Error Code 210
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Restart Lost Ark Completely
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Restart Steam Completely
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Check Lost Ark and Steam Server Status
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Verify Steam is Running as Administrator
Only grant administrator privileges to trusted applications like Steam. Do not apply this setting to unknown programs. -
Verify Integrity of Lost Ark Game Files
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Flush DNS Cache and Reset Network Settings
Running these commands will briefly disconnect your internet connection. Save any open work before proceeding. -
Temporarily Disable VPN or Proxy
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Check Your Firewall and Antivirus Settings
Only disable antivirus temporarily for testing. Re-enable it immediately after your test and add proper exceptions rather than leaving it disabled. -
Log Out of Steam and Log Back In
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Reinstall Lost Ark as a Last Resort
Your game progress is stored server-side and will not be lost during a reinstall. However, any local settings or screenshots will be deleted.
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When to Call a Professional
If you have completed all steps above and still receive Error Code 210, the issue may be specific to your Steam account or Lost Ark account itself. In this case, contact Lost Ark's official support at support.playlostark.com and submit a ticket with your account details, region, and a description of the steps you have already tried. The support team can investigate server-side session issues, account flags, or region restrictions that you cannot resolve on your own. You should also reach out to Steam Support if you suspect your Steam account authentication is the root cause.Frequently Asked Questions
What does Lost Ark Error Code 210 mean?
Error Code 210 in Lost Ark means your login session has expired or become invalid. This happens when the authentication token between your Steam account and Lost Ark's servers times out, your network drops during login, or there is a server-side issue. It is not a ban or account restriction — it is a session authentication failure that is almost always fixable.
Why does Lost Ark keep giving me Error 210 every time I try to log in?
If Error 210 happens repeatedly every time you try to log in, the most common causes are an unstable internet connection, a VPN or proxy interfering with authentication, corrupted game or Steam files, or a firewall blocking Lost Ark's connection to its servers. Work through the steps in this guide — particularly flushing your DNS, verifying game files, and checking firewall settings — to resolve the recurring issue.
Is Lost Ark Error 210 a server issue or a problem with my PC?
It can be either. Error Code 210 is sometimes caused by Lost Ark server outages or maintenance windows, which means no action on your part will fix it until the servers are back online. Before troubleshooting your PC, always check the official Lost Ark Twitter/X account (@playlostark) or a service like Downdetector to rule out a server-side problem first.
Does getting Error Code 210 mean my Lost Ark account is banned?
No. Error Code 210 is a session expiration or authentication error and has nothing to do with account bans or suspensions. If your account were banned, you would receive a different error code with a specific ban notification. Error 210 simply means the login session could not be established or renewed.
Will reinstalling Lost Ark delete my game progress?
No. Lost Ark stores all character data, progress, items, and currency on Smilegate's servers, not on your local PC. Uninstalling and reinstalling the game will not affect your account or characters in any way. You will only lose local settings files and screenshots stored on your machine.