How to Solve COD WW2 Error 37758 on PC and Console

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The Call of Duty franchise has always been a staple in the world of first-person shooters. With the release of Call of Duty: WWII, players were offered a return to the intense, boots-on-the-ground combat of the Second World War. However, like many massively popular online games, COD: WWII isn’t without its flaws. One of the most frustrating issues players encounter is Error Code 37758, which can affect both PC and console users.

This error typically occurs when trying to connect to multiplayer servers, resulting in a failed connection and a disappointing experience. Whether you’re trying to join friends for a match or simply want to enjoy public multiplayer lobbies, this error can throw a wrench in your plans. Luckily, there are several effective troubleshooting steps that can help resolve the issue.

What Exactly Is COD WW2 Error 37758?

Error 37758 is a server-related issue that prevents players from accessing the online multiplayer features of COD: WWII. It usually indicates a problem with network connectivity or server availability. The error can be caused by various factors:

  • Server maintenance by Activision
  • Local network problems
  • Account authentication issues
  • Incorrect NAT type or DNS settings

Understanding the underlying causes is essential for crafting the right solution. The good news is, this error is typically fixable with a few targeted steps.

How to Fix COD WW2 Error 37758 on PC

1. Check Server Status

Before trying any complicated fixes, check if the servers are down.

  • Visit the Activision Online Services page.
  • Select “Call of Duty: WWII” and your platform.
  • Look for any ongoing outages or maintenance alerts.

If the servers are down, your best bet is to simply wait until service is restored.

2. Restart Your Router and Modem

Sometimes, connectivity issues are caused by your internet router or modem. Try rebooting them:

  • Turn off your PC and unplug the modem/router.
  • Wait 30 seconds and plug them back in.
  • Start your PC and re-launch the game.

3. Flush DNS and Renew IP Configuration

A common fix for connection errors on PC is flushing the DNS cache.

  1. Open Command Prompt as Administrator.
  2. Type ipconfig /flushdns and press Enter.
  3. Then type ipconfig /release and press Enter.
  4. Finish with ipconfig /renew.

Restart your system and try launching the game again.

4. Disable Windows Firewall or Add Exceptions

Firewall settings might be blocking your connection to the COD WW2 servers:

  • Go to Control Panel > System and Security > Windows Defender Firewall
  • Select “Allow an app or feature through Windows Defender Firewall.”
  • Find COD: WWII or Steam and allow connection through both Private and Public networks.

Be cautious when turning off firewalls, and always re-enable them after testing.

5. Run the Game as Administrator

Running the game with elevated privileges can resolve various permission-related issues:

  • Right-click on the game shortcut or .exe file.
  • Select “Run as Administrator.”

If the error disappears, you can set it to always run as admin in the file’s properties.

How to Fix Error 37758 on Console (PS4, Xbox)

1. Check Xbox Live or PSN Status

Sometimes the issue isn’t with your game but the console network:

2. Reboot Your Console and Router

Turn off your gaming console, unplug it for 30 seconds, and restart both the console and your router.

3. Set NAT Type to Open

NAT settings deeply affect how your console connects with game servers:

  • Go into your router settings using a browser (usually 192.168.0.1 or 192.168.1.1).
  • Enable uPnP (Universal Plug and Play).
  • If needed, forward specific ports that COD WW2 uses:
    • TCP: 3074, 27014-27050
    • UDP: 3074, 3478, 4379-4380, 27000-27031, 27036

After adjusting NAT settings, restart your console and try launching multiplayer again.

4. Remove and Re-Link Your Activision Account

Sometimes the problem may stem from account synchronization issues:

  • Go to Activision.com and log in.
  • Unlink your platform account from your Activision account.
  • Restart your console and re-link the account.

This can refresh your profile’s connection with the COD WW2 servers.

Additional Tips

  • Ensure your game is updated with the latest patches and updates.
  • Clear cache on PS4 by holding the power button for 10 seconds until you hear a second beep.
  • For Xbox, clear persistent storage via Settings > Disc & Blu-ray > Persistent storage.
  • Contact Activision Support if none of the above works.

Frequently Asked Questions (FAQ)

Q: What causes COD WW2 Error 37758?
Error 37758 is generally caused by connectivity problems, server-side issues, or NAT restrictions.
Q: Is this error permanent?
No, it is usually temporary and can be fixed by following the right troubleshooting steps.
Q: Does reinstalling the game help?
Reinstalling can help if the issue is related to corrupted files, but it’s often not necessary.
Q: Can I fix this error without changing router settings?
Yes, methods like restarting your device, checking server status, or running the game as admin can often resolve the error.
Q: Is this error common?
While not extremely common, many players encounter it occasionally due to network inconsistencies.

By systematically working through these methods, players can often identify the specific cause of Error 37758 and take appropriate action. Whether on PC or console, restoring your connection to COD WWII multiplayer is just a few steps away.