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How to Fix ‘Diablo 4 Error Code 1’ issue

Follow these 5 easy steps to fix Diablo 4 Error Code 1.

by Charles Anders
7 minutes read
How to Fix ‘Diablo 4 Error Code 1’ issue

If you are wounding How to Fix ‘Diablo 4 Error Code 1’ issue in this guide. Action role-playing game Diablo 4 is very popular and has won the hearts of gamers all over the world. But, as with any complicated online game, players may have trouble getting into Sanctuary’s dark world. One of these problems is Diablo 4 Error Code 1, which can be annoying and make it hard for you to play. Diablo 4, made by Blizzard, has been a big hit for the series. It came out officially on June 5, 2023, and you can play it on PlayStation 4, PlayStation 5, Xbox Series X/S, and Windows.

Since it came out, Diablo 4 has become a fan favorite in the long-running series. This is because it has new game mechanics, such as PvP combat and an open world, that make it fun to play. But recently, some players have said that they get an error code 1 when they try to play. Because of this, we made this guide to share some ways to fix it. In this article, we’ll look at effective ways how to Fix ‘Diablo 4 Error Code 1’ issue.

What is Diablo 4 Error Code 1 issue?

Error code 1 in Diablo can be caused by a number of different things, such as problems installing the game, problems connecting to the server, or interference from an antivirus program. Error code 1 means something different depending on what it is being used for. When you get Error code 1 in Diablo, it’s important to figure out what happened before the error so you can find out what caused it. Error code 1 can sometimes happen during the installation or update process. This could be caused by problems copying files to the installation folder or by antivirus software getting in the way of the installation.

Release dateEarly 2023
PlatformsPC, Xbox Series X/S, PlayStation 5
GenreAction role-playing game
DeveloperBlizzard Entertainment
Check Price for Xbox, Check Price for PS5

Error code 1 could happen during gameplay because of problems with the server. Servers that are too busy, problems with the player’s internet connection, or network settings that limit access to the server can all cause these kinds of errors. Error code 1 could also be caused by drivers for your graphics card that don’t work well together or by hardware that doesn’t meet the minimum system requirements for the game. Players may get this error if their graphics card or other hardware isn’t up to par with what the game needs.

Common causes of Diablo 4 Error Code 1 issue

  1. Corrupted Game Files: One of the most common causes of Error Code 1 is corrupted game files. This can happen during the installation process or due to other factors like interrupted downloads or faulty storage devices.
  2. Outdated Graphics Drivers: Outdated or incompatible graphics drivers can lead to various game-related errors, including Error Code 1. Ensure your graphics drivers are up to date.
  3. Software Conflicts: Sometimes, background software running on your computer can conflict with Diablo 4, causing Error Code 1. This could be antivirus software, third-party applications, or even Windows updates.
  4. Network Issues: Connectivity issues, such as a weak or unstable internet connection, can lead to Error Code 1, especially if the game requires online authentication or updates.
  5. Hardware Problems: Hardware issues, like overheating, insufficient RAM, or a failing hard drive, can also trigger game errors. Ensure your hardware meets the game’s requirements and is in good working condition.
  6. Firewall or Security Settings: Overly strict firewall settings or security software might block Diablo 4 from running correctly, leading to Error Code 1. Adjust your firewall settings if necessary.

How to Fix ‘Diablo 4 Error Code 1’ issue

How to Fix ‘Diablo 4 Error Code 1’ issue

Reset your PC and game

  1. Quit Diablo 4 and the desktop app.
  2. Turn your PC back on.
  3. Open the desktop app and go to the game tab for Diablo 4.
  4. Click the “Options” button (which looks like three dots) and chooseScan and Repair.”
  5. The app will check for broken game files and fix them automatically if they are found.
  6. When the repair is done, start Diablo 4 again and see if the Error Code 1 problem is still there.

Update your game

  1. Open the app on your computer.
  2. Go to the game tab for Diablo 4.
  3. Find the button that says “Update” and click on it.
  4. The app will check for updates automatically and tell you to download and install them if there are any.
  5. Follow the instructions on the screen to finish the process of updating.

Update Your Network Drivers

  1. Put the Windows Key down.
  2. In the search box, type “Device Manager.”
  3. Find the Network Adapters menu.
  4. Choose your network and click on Update Driver.

Check the Blizzard servers for Code 1 Error

  1. Go to the customer service site for Blizzard or the official Diablo 4 forums.
  2. Look for official notices or discussion threads about Error Code 1.
  3. If there is a problem with a server, Blizzard will usually give updates and an estimate of how long it will take to fix.
  4. Wait until the problem is fixed, and then try to start Diablo 4 again.

Turn off your Antivirus

  1. Find the icon for your antivirus software in your system tray, which is usually at the bottom right of your screen.
  2. Right-click on the icon and look for an option to turn off or pause the antivirus protection.
  3. Choose the right option to temporarily turn off the antivirus.
  4. Start Diablo 4 and see if the problem with Error Code 1 is fixed.
  5. When you’re done playing the game, remember to turn on your antivirus software again.


Want to know how to fix Diablo 4 Error Code 1? Diablo 4 is a popular game, and many people have problems when they play it. One of them is Error Code 1, which can happen when you try to start the game or while you are playing it. Luckily, there are a number of ways to solve this problem quickly. This guide will show you how to fix Diablo 4’s Error Code 1.

Questions and Answers

What is the error code unable to find Diablo 4?

The Diablo 4 315306 “unable to find a valid license” error is easiest to fix by waiting for the servers to go live in your region. Once the game is up and running, it shouldn’t be hard to log in and start your journey. Blizzard Entertainment (Blizzard) When a server goes down, the Diablo 4 code 315306 error shows up.

What is the error code for Diablo 4 early access?

If you see Diablo 4 error code 315306, it usually means that you are trying to play the game before the servers are ready, so the game can’t check your license to connect to the online service.

Why can’t i start Diablo 4?

If any of the following are true, Diablo IV will not run at all on your PC: Game files that are broken: The first reason why Diablo 4 might not work on your Windows 10 or Windows 11 computer is that the game files are broken. Drivers who cause problems: This problem can also be caused by drivers that are out of date or have bugs, especially the GPU driver.

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