12 Ways to Fix Diablo 4 Data Retrieval Error

Blizzard Entertainment, Inc. has developed an action co-op hack & slash role-playing game, ‘ Diablo IV’, offering an ultimate fighting experience and additional content. Though the title is doing really well in the market, it seems there are a couple of potential bugs & errors troubling a lot of players. Recently, multiple players have experienced the Diablo 4 Data Retrieval Error that basically causes game loading issues or crashes on the PC version quite often.

As per multiple reports, this specific error notice appears whenever there is an issue with the game servers or internet connectivity conflicts. Meanwhile, several players also claim that having issues with the antivirus blocking or corrupted internal game files can also be one of the major reasons behind the data retrieval error at your end. Multiple affected players are stuck in this awful moment where they can’t understand what to do next. Now, if you’re also facing the same error, check this guide.

Fix Diablo 4 Data Retrieval Error

Some Diablo IV players are unfortunate enough to go through the “unable to retrieve necessary data” error while trying to get into the game or connecting to the multiplayer mode. Even though the reasons are quite prominent in this case, some other possible reasons can also trigger the same error such as an outdated game patch version, corrupted game files, lack of admin access, outdated client, outdated network driver, and more. But there is nothing to worry about it.

Head over to the installed Diablo 4 game directory.
Right-click on the Diablo IV (exe) application.
Select Properties > Click on the Compatibility tab.

Now, enable the Run this program as an administrator option.
Click on Apply and select OK to save changes.

3. Update Diablo 4

Sometimes an outdated game patch version on the PC can trigger multiple issues with crashes, server connectivity errors, and more. It’s recommended to manually update the game on the respective client to get the latest game patch version. You can check the steps below to update the game.

For Steam:

Open Steam > Go to Library.
Click on Diablo 4 from the left pane.
Steam will automatically search for the available update.
If there is an update available, click on Update.
Wait for a couple of minutes to complete the update.
Once done, close Steam, and reboot your PC to apply changes.

Battle.net:

Open Battle.net > Go to Library.
Select Diablo IV.
Click on the cog wheel icon of the game.
Now, select Check for Updates.
If an update is available, download and install it.

4. Check the Internet Connection

Sometimes conflicts with the poor or unstable internet connection at your end might cause several issues. You should always check the internet connectivity by running streaming services or other online games to ensure there is no issue. The chances are high that somehow multiple devices are using the same network and your video game gets affected with the shared data bandwidth. Try to use another Wi-Fi network or a wired (ethernet) connection to cross-check the issue.

5. Verify and Repair the Game Files

Sometimes there might be an issue with the installed game files like corrupted or missing game files on the PC. You can check the following steps to repair the game files to avoid several glitches.

Launch the Steam client > Click on Library.
Right-click on Diablo 4 from the list.
Click on Properties > Go to the Local Files files.

Click on Verify Integrity of Game Files.
You’ll have to wait for the process until it gets completed.
Once done, restart your computer.

Battle.net:

Open Battle.net > Click on Diablo IV.
Click on OPTIONS (Gear icon).
Next, click on Scan and Repair.
Click on Begin Scan.
Wait for the repair process to complete.
Once done, close Battle.net, and restart your PC.

6. Disable Anti-Virus

Another thing you can do is to disable the anti-virus protection on your Windows computer manually to prevent game application blocking by the aggressive real-time protection scanning in the background. If you’re using the default Windows antivirus that comes pre-installed then check the following steps to turn it off.

Press the Win+I keys to open Windows Settings.
Click on Update & Security > Go to Windows Security.
Now, click on Open Windows Security > Select Virus & Threat Protection.
Select Manage Settings > Go to Real-time protection and Turn it Off.
If prompted, click on Yes to continue.
Now, you can run the game again to check for the issue.

Please Note: If you’re using any other third-party antivirus program on your PC then turn off the real-time protection feature via the program settings menu.

7. Update Network Drivers

A networking driver is useful to run network-related ongoing connections on your Windows computer. That means it should be updated to the latest version to keep things smoother. It’s not always necessary that the problem is happening at your router or ISP. An outdated networking driver can also cause damage. To update it:

Press the Win+X keys > Click on Device Manager.
Double-click on Network Adapters to open the list.

Right-click on the active network adapter.
Select Update Driver > Choose Search automatically for drivers.
If there is an update available, it’ll automatically download and install the update.
Once done, restart your PC to apply changes.

8. Whitelist Diablo 4 in Windows Firewall

Well, you can try whitelisting the Diablo IV program in the Windows Firewall protection by following the steps below to avoid game-launching errors in most cases.

Open the Start menu > Search and open Control Panel.
Go to Systems and Security > Open Windows Firewall.
Select Allow an app or feature through Windows Firewall.
Now, click on Change settings > Select Allow another app.
Select Browse > Click to select Diablo IV.
Click on Add > Save changes and proceed.

9. Delete Diablo 4 Cache Files

It’s also recommended to manually delete the Diablo IV cache files on the system to avoid temporary glitches with the launching. No game data will be affected by this method. To do that:

Open File Explorer on the PC > Navigate to the Diablo 4 installation directory.
- It should be located at C:\Program Files\Diablo IV\ by default.
Select all files by pressing the Ctrl+A keys (Do not select the DiabloIV.exe files).
Select Delete and launch Diablo 4 to rebuild cache files.

10. Check for Client Updates

You can try updating the Battle.net or Steam client on the PC to ensure there is no issue with the outdated client version or temporary glitches whatsoever. Sometimes background processes of the game client may trouble multiple issues with the game launching experience. To do so:

For Battle.net:

Use the Ctrl+Shift+Esc keys to open Task Manager.
Click on the Processes tab.
Click on Battle.net > Select End Task.
Now, select Battle.net Update Agent > Click on End Task.
- If the Agent.exe task is there, select it & hit End Task again.
Once done, close Task Manager.
Restart the PC to apply changes.
Finally, launch Battle.net & it’ll automatically check for available updates.

For Steam:

Exit Steam > Go to Task Manager (press Ctrl+Shift+Esc).
Now, go to Processes > Click to select Steam from the task.
Click on End Task.
Then open Steam again > Click on the Steam tab at the top left.
Select Check for Steam Client Updates.
If there is an update available, wait for it to download.
Once done, reboot the system, and check for the issue.

11. Change the DNS Address

You can use the Google DNS address manually on the PC to fix server connectivity or matchmaking issues with your active internet properties. You can try following the steps below to check for the issue again.

Press the Win+R keys to open the Run dialogue box.
Now, search and open the Control Panel.
Click on Network and Internet > Select Network and Sharing Center.
Go to your Connections to select Ethernet, Wi-Fi, etc what you’re using.
Next, click on Properties > Double-click on Internet Protocol Version 4 (TCP /IPv4) to open a new window.
Click on Use the following DNS server addresses.
Ensure to input 8.8.8.8 as a Preferred DNS server.

Enter 8.8.4.4 as the Alternate DNS server.
Click OK to confirm the changes.
Once done, reboot the PC to change effects immediately.

12. Reinstall Diablo IV

If none of the methods worked for you, try uninstalling and then reinstalling the Diablo 4 game on your PC to ensure there is no issue with the installed game files or directory. To do so:

For Steam:

Open the Steam client on your PC.
Go to Library > Right-click on Diablo IV.
Now, navigate to Manage.
Select Uninstall > If prompted, click on Uninstall.
Follow the on-screen instructions to complete it.
Once done, restart the PC to apply changes.
Finally, launch Steam, and reinstall the game to check for the issue. (Try installing on a different disk drive)
You’re good to go. Enjoy!

For Battle.net:

Open the Battle.net client > Select Diablo IV from the left panel.
Select the Options menu > Click on Uninstall Game.
If prompted, confirm the uninstallation process.
Once done, close the Battle.net launcher, and reboot the PC.
Now, open the Battle.net launcher again.
Reinstall the Diablo 4 game on a different drive.
Finally, run the game to check for the error.

That’s it, guys. We hope this guide was helpful to you. For further queries, you can comment below.

12 Ways to Fix Diablo 4 Data Retrieval Error

Fix Diablo 4 Data Retrieval Error

1. Restart the PC

2. Run Diablo IV as an Administrator

3. Update Diablo 4

4. Check the Internet Connection

5. Verify and Repair the Game Files

6. Disable Anti-Virus

7. Update Network Drivers

8. Whitelist Diablo 4 in Windows Firewall

9. Delete Diablo 4 Cache Files

10. Check for Client Updates

11. Change the DNS Address

12. Reinstall Diablo IV

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