Fix Diablo 4 Error Code 1

How to Fix Diablo 4 Error Code 1

By Angel Marquez | 2023-07-31 06:42:36
Learn How to Fix Diablo 4 Error Code 1 and get back to action! Follow our step-by-step guide.

Diablo 4 is an exciting and highly anticipated game that has captured the hearts of gamers around the world. However, like any other game, Diablo 4 is not without its flaws. One common issue that players may encounter is Error Code 1. This error can be frustrating and prevent you from fully enjoying the game. But fear not, as we have compiled a comprehensive guide to help you fix Diablo 4 Error Code 1 and get back to playing without any interruptions.

Update your game


One of the main reasons behind Error Code 1 in Diablo 4 is an outdated game version. Blizzard releases regular updates to address bugs and improve gameplay, and failing to keep your game up to date can lead to compatibility issues and errors. To fix this error, it is crucial to update your game. Here's how you can do it:
  • 1. Launch the Battle.net desktop app.
  • 2. Navigate to the Diablo 4 game tab.
  • 3. Look for the "Update" button and click on it.
  • 4. The app will automatically check for updates and prompt you to download and install them if available.
  • 5. Follow the on-screen instructions to complete the update process.

Reset your PC and game



Sometimes, Error Code 1 in Diablo 4 can occur due to corrupted game files. Resetting your PC and game can help resolve this issue. Here's a step-by-step guide to resetting your PC and game:

  • 1. Close Diablo 4 and exit the Battle.net desktop app.
  • 2. Restart your PC.
  • 3. Launch the Battle.net desktop app and navigate to the Diablo 4 game tab.
  • 4. Click on the options menu (represented by three dots) and select "Scan and Repair."
  • 5. The app will scan for any corrupted game files and automatically repair them if necessary.
  • 6. Once the repair process is complete, launch Diablo 4 again and check if the Error Code 1 issue persists.

Turn off your Antivirus


In some cases, your antivirus software can interfere with game files and trigger Error Code 1 in Diablo 4. Temporarily disabling your antivirus can help you identify if this is the cause of the problem. Here's how you can turn off your antivirus:

  • 1. Locate the antivirus software icon in your system tray (usually located in the bottom-right corner of your screen).
  • 2. Right-click on the icon and look for an option related to disabling or pausing the antivirus protection.
  • 3. Select the appropriate option to disable the antivirus temporarily.
  • 4. Launch Diablo 4 and check if the Error Code 1 issue is resolved.
  • 5. Remember to re-enable your antivirus software once you have finished playing the game.

Check the Blizzard servers for Code 1 Error


Sometimes, Error Code 1 in Diablo 4 can be caused by server issues on Blizzard's end. To check if this is the case, you can follow these steps:

  • 1. Visit the Blizzard customer support website or the official Diablo 4 forums.
  • 2. Look for any official announcements or threads related to Error Code 1.
  • 3. If there is a server issue, Blizzard will usually provide updates and estimated time for resolution.
  • 4. Wait for the issue to be resolved and try launching Diablo 4 again.


Error Code 1 in Diablo 4 can be frustrating, but with the right troubleshooting steps, you can overcome this issue and get back to enjoying the game. By updating your game, resetting your PC and game, turning off your antivirus temporarily, and checking the Blizzard servers for any known issues, you increase your chances of resolving Error Code 1 and experiencing the game without any interruptions. Remember to stay patient and persistent, as sometimes it may take a combination of these steps to fix the problem. Happy gaming!
Tags: Diablo IV, action RPG, dungeon crawler, loot-driven, dark fantasy, character classes, skill trees, endgame content, worl
Platform(s): Xbox One, Xbox Series X/S, PlayStation 4, PlayStation 5, Microsoft Windows
Genre(s): Action role-playing, hack and slash
Developer(s): Blizzard Team 3, Blizzard Albany
Publisher(s): Blizzard Entertainment
Release date: June 6, 2023
Mode: Single-player, multiplayer
Age rating (PEGI): 18+
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