How to Fix Call of Duty DEV Error 0x872394dc?

5 mins read

Updated on 2025-11-17 12:08:11 to Windows Fix

Call of Duty is one of the most popular gaming series in the world, known for its fast action and immersive storytelling. But even the best games can sometimes throw frustrating errors. One such issue that has been bothering many players lately is DEV Error 0x872394dc, which appears in Call of Duty: Warzone and Call of Duty: Black Ops 6.

If this error message shows while starting the game or during a match. Don't panic. This article explains what Dev Error 0x872394dc means, why it occurs, and how to resolve it step by step, helping you get back into the game without interruption.

how to fix dev error

What DEV Error 0x872394dc Means in Call of Duty?

Call of Duty has been the go-to FPS franchise for millions of gamers since 2003. Before fixing "DEV Error 0x872394dc," It's better to understand what the error it is.

What Is DEV Error 0x872394dc?

The dev error 0x872394dc in Call of Duty is a technical error that signals a problem with corrupted or inaccessible game files. It is most often linked to configuration conflicts, missing permissions, or damaged saved data, especially in the "Documents" folder, where Call of Duty stores key settings.

When this error appears, it usually prevents the game from launching or causes it to crash mid-session. Essentially, your system is struggling to read or apply certain files that the game needs to run properly. Thankfully, fixing it is often straightforward once you understand where the problem lies.

What Causes DEV Error 0x872394dc?

The DEV error 0x872394dc is a common crash code that appears when an interruption occurs during communication. It usually appears when the game encounters corrupted files, unstable drivers, or software conflicts. So, why is my Call of Duty saying dev error? Here are the most common reasons:

  • Outdated or Corrupted GPU Drivers: Faulty NVIDIA GeForce or AMD Radeon drivers can block DirectX calls and crash the rendering pipeline.

  • Broken or Missing Game Files: Corrupted files in the Steam or Battle.net directories can trigger the error during load.

  • VRAM Overload: Running ultra textures, ray tracing, or 4K resolutions can exceed available video memory, leading to GPU instability.

  • Overlay Conflicts: Apps like Discord overlay, NVIDIA in-game overlay, or Xbox Game Bar can interfere with GPU hooks.

  • Shader Cache Glitches: After updates from Treyarch or Activision, mismatched shader data can cause rendering faults.

  • Windows Update Issues: Faulty or incomplete Windows updates may disrupt DirectX runtimes or the graphics stack.

  • Input Mapper Conflicts: Tools like ReWASD or custom Steam Input profiles can conflict with the game's input layer, triggering the error.

So, you can understand why does COD keep saying dev error? It's because one or more system components that help the game run (drivers, files, settings, or overlays) are not syncing correctly.

How to Fix DEV Error 0x872394dc?

The DEV Error 0x872394dc usually appears in Call of Duty games such as Warzone or Modern Warfare III. The following proven methods will help you fix the issue and get your game running smoothly again.

Fix 1: Remove "Read-Only" Attribute

When your game folder or files are marked as "read-only," the system cannot update or modify them properly. This restriction often causes the DEV Error 0x872394dc during updates or gameplay. Removing the "read-only" attribute allows the game to write and modify data freely, preventing errors and improving stability.

  • Open File Explorer and go to your game installation folder. Right-click the folder and select "Properties."

  • Under the "General" tab and uncheck the box that says "Read-only", then click "Apply" and then "OK." After that, restart your PC and launch the game again.

Fix 2: Delete Config Files

Corrupted configuration files often lead to the DEV Error 0x872394dc after system or game updates. Deleting them forces the game to recreate clean default configurations that remove conflicts and startup errors.

  • Press "Windows + R" on your keyboard, and type "%Documents%" and press Enter.

  • Locate your game's configuration folder (for example, "Call of Duty").

    locate call of duty file
  • Then, delete all ".cfg" or settings files inside the folder. After that, restart the game to generate new configuration files automatically.

    delete cfg files

Fix 3: Grant Full Folder Permissions

If the game doesn't have the right permissions to access or edit files, you'll get the DEV Error 0x872394dc. Granting full control to your user account ensures the game has unrestricted access to essential data and system functions, especially after reinstallations or Windows updates.

  • Go to your game's installation directory, and right-click the folder and select "Properties." Then open the "Security" tab and click "Edit."

  • Check the box for "Full Control." And click "Apply" and "OK."

  • Launch the game as Administrator.

Granting full folder permissions ensures that the game can access, modify, and save files without permission related interruptions.

Fix 4: Repair Game Files

Broken or missing game files are another common reason for dev error 0x872394dc Warzone. Both Steam and Battle.net include tools that verify and repair your installation. These tools scan your files, replace any corrupted ones, and ensure your version matches the developer's official release. It prevents crashes or startup issues.

Steps for Steam:

  • Open "Steam" and go to your "Library." Right-click your game and select "Properties."

  • Open the "Installed Files" tab, and click "Verify integrity of game files."

    verify integrity of game files

Steps for Battle.net:

  • Open the "Battle.net launcher," and select your game from the list. Then click "Options" and choose "Scan and Repair."

    choose scan and repair
  • Click "Begin Scan" and wait for the process to finish.

Repairing your game ensures that all files are intact and properly synchronized. It resolves most errors related to corrupted installations,such as Call of Duty Modern Warfare 3 not launching error.

Fix 5: Disable Windows Defender Controlled Folder Access

Windows Defender has a feature called Controlled Folder Access which may stop your game from modifying or saving files, resulting in DEV Error 0x872394dc. Turning this off will help you figure out if security restrictions are causing the problem.

  • Open the Start Menu and select "Windows Security," and choose "Virus & threat protection." Scroll down and click "Manage ransomware protection."

    click manage ransomware protection
  • In the new window, find "Controlled folder access" and switch it "off."

    turn off controlled folder access
  • Start your game and check if the error disappears.

Turning off Controlled Folder Access lets your game write files without interference. If the issue is resolved, re-enable the feature and whitelist the game for ongoing protection.

Bonus: Backup Your Files Before Fixing DEV Error 0x872394dc

Before you start trying to fix the DEV Error 0x872394dc, it's a good idea to back up your important files. Errors like this can sometimes lead to data corruption or an unexpected crash. To stay on the safe side, you should always secure your data first.

4DDiG Partition Manager is an all-in-one disk management and backup solution that lets you protect your files before you even start trying to troubleshoot any system issues. It allows you to clone, back up and migrate your data without risking any loss.

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Key Features:

  • Migrate OS to SSD without reinstalling
  • Clone entire disk or partitions safely
  • Resize, split, create, delete, and format partitions
  • Upgrade to a larger disk without data loss
  • Fast and beginner-friendly interface
  • 100% data security guaranteed
  • Download, install, and launch 4DDiG Partition Manager on your computer. Then go to the "Backup" section and select "File Backup."

    choose file backup
  • A new file backup task will appear. Choose the files or folders you want to back up, then click "Next."

    select files to backup
  • Select your preferred storage location for the backup. Once you've set it, click "Start" to begin.

    choose storage path
  • Wait a few moments for the process to complete. Once done, your backup will be safely stored and ready to restore whenever required.

    backup successfully

Once your data is safely backed up, you can proceed with confidence to fix the DEV Error 0x872394dc, knowing your files are protected. Try 4DDiG Partition Manager today for secure backups and complete disk management.

Conclusion

The Call of Duty DEV Error 0x872394dc can be frustrating, but with the right approach, you can get your Call of Duty: Warzone or Black Ops 6 running smoothly again by following the fixes above. Remember to back up your files using 4DDiG Partition Manager before you start. It's a powerful and user-friendly tool to protect your data while troubleshooting. Keep your system safe, your game stable, and enjoy the thrill of victory without interruptions!

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William Bollson (senior editor)

William Bollson, the editor-in-chief of 4DDiG, devotes to providing the best solutions for Windows and Mac related issues, including data recovery, repair, error fixes.

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