What is Diablo 4 Error Code 7? Fix It Quickly

Not only the game causes certain error codes, but the game launcher isn't perfect as well. We can assist you in resolving this annoying issue! 🤝


The Diablo 4 error code 7 has been around for some time now, frustrating players and preventing them from enjoying the latest game from the Diablo series. We took time, looked into the issue, and created an ultimate list of the most frequent causes and solutions for error code 7 in Diablo 4.

If you can’t even reach the main menu and see nothing, learn how to fix the Diablo 4 black screen.

There was a problem logging in. (Code 7)

What is Diablo 4 Error Code 7?

Error code 7 in Diablo 4 means there are problems with the Battle.net launcher, temporary issues on your PC, compatibility problems with background apps, an outdated network driver, incorrect DNS settings, problematic network settings, or pilled-up cache files.

How to fix Diablo 4 error code 7?

Get started with the following checks and fixes:

  • Restart your PC: This will ensure no temporary issues are causing the error code and your PC is running correctly.
  • Launch Diablo 4 directly: Instead of using the Battle.net launcher to which the error code is related, launch the game through the executable (.exe) file.
  • Close background apps: Blizzard team is aware of the error code 7 and recommends launching Diablo 4 without any apps running in the background.

Proceed with the step-by-step solutions to eliminate error code 7 in Diablo 4.

  1. Update the network driver
  2. Use the Google DNS
  3. Restart network settings
  4. Clear cache files

1. Update the network driver

Your network adapter relies on communicating with the rest of your PC, home network, and the internet. If the driver is outdated, your game client might be unable to connect with Battle.net, which will cause the login error 7.

  1. Click on the Windows icon, type Device Manager, and open it.
    windows icon search bar device manager result
  2. Double-click on the Network Adapters section.
    device manager network adapters double click expand
  3. Right-click on your network device and select the Update driver option.
    device manager network adapters network device update driver
  4. Select the Search automatically for drivers option.
  5. Install the driver update.
  6. Restart your PC.

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2. Use the Google DNS

Time needed: 5 minutes

Windows automatically assigns a Domain Name System server address based on your location. We recommend manually setting Google DNS as the default since it is the most reliable.

  1. Using the Windows Key + R shortcut, open the Run dialog, type control, and hit OK.

    run dialog control panel

  2. Click on View network status and tasks.

    control panel view network status and tasks

  3. Click on the Change adapter settings.

    control panel change adapter settings

  4. Right-click the internet network you use and select Properties.

    network connections right click properties

  5. Double-click Internet Protocol Version 4 (TCP/IPv4).

    wifi properties internet protocol ipv4

  6. Enable Use the following DNS server addresses and add:
    ➡ for the Preferred DNS server
    ➡ for the Alternate DNS server

    dns addresses ipv4

  7. Click OK and restart your PC.

3. Restart network settings

Even after installing the latest network driver update, your PC might have outdated network settings that can create issues. Restart them manually through Command Prompt.

  1. Click on the Windows icon, type Command Prompt, and open it.
  2. Type each of the commands listed below individually and hit Enter after everyone:
    ipconfig /flushdns
    ipconfig /registerdns
    ipconfig /release
    ipconfig /renew
    netsh winsock reset
    netsh winsock reset network
  3. Restart your PC.

4. Clear cache files

Pilled-up cache files cause troubles when an app or a game is launched. They can prevent Diablo 4 from fully loading or communicating with the Battle.net service.

  1. Use the Windows Key + shortcut to open the Run dialog, type %localappdata%, and hit OK.
    Run LocalAppData Delete Cache
  2. Use the CTRL shortcut to select all files in the folder.
  3. Press the Delete key on your keyboard to delete all the files in the folder.
    ➡ If prompted to confirm, click on Yes.
    ➡ If some files can’t be deleted, click on Skip.
    Deleting Files AppData Local

Extra steps

If you still get error code 7 when you want to play Diablo 4, try to do the following:

  • 🔐 Restart your password: Login into your Battle.net profile and change your password. Restart your PC, enter your login credentials in the game launcher, and start Diablo 4.
  • Wait between logins: Some players claim that waiting 15 minutes after the unsuccessful attempt solved the issue for them.
  • 🔁 Reinstall Diablo 4: Uninstall the game and delete all game files and folders, restart your PC, and perform a clean installation of Diablo 4.

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These were the most reliable solutions for Diablo 4 error code 7. Comment with feedback about how it went, and let us know if you discover any alternative solutions.

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