How to fix COD Dev error 6034 Xbox and Windows PC

What is COD Dev error 6034 Xbox?

Here, we are going to discuss on “How to fix COD Dev error 6034 Xbox” issue in Call of Duty: Warzone and Call of Duty: Modern Warfare. You will be guided with easy automatic and manual steps to resolve the issue. Let’s starts the discussion.

‘Call of Duty: Warzone’: It is free-to-play Battle Royale video game designed & developed for PlayStation 4, PlayStation 5, Xbox One, Xbox Series X/S and Microsoft Windows OS based devices. The game is part of 2019’s Call of Duty: Modern Warfare and 2020’s Call of Duty: Black Ops: Cold War and was introduced during Season 2 of Modern Warfare content.

‘Call of Duty: Modern Warfare’: It is 2019 first-person shooter video game designed and developer by Infinity Ward and published by Activision. This game received praise for its gameplay, comparing, multiplayer and graphics, and the criticism focused on handling of campaigns’ subject matter.

Numerous ‘Call of Duty: Warzone’ and ‘Call of Duty: Modern Warfare’ players reported that they faced ‘COD Dev error 6034 Xbox’ issue while they tried to play their respective video games. At the moment, there is no official word from Activision about this issue. However, it is possible to fix this bug or issue with easy workarounds solution that might help you to enjoy the game until the security patch deals with underlying the problem.

‘COD Dev error 6034 Xbox’ error causes keeps crashing the game especially in battle royale games including ‘Call of Duty: Warzone’ and ‘Call of Duty: Modern Warfare’ video games. If you are facing the same issue in Xbox device while trying to play these video games, then you are in right place for the solution. Let’s go for the solution.

How to fix COD Dev error 6034 Xbox error in ‘Call of Duty: Warzone’ and ‘Call of Duty: Modern Warfare’?

Method 1: Fix ‘COD Dev error 6034’ error in Windows PC with ‘PC Repair Tool’

If you are facing this error in Windows PC while trying to play Call of Duty Warzone and Modern Warfare games, then you can try to fix the issue with ‘PC Repair Tool’. This software offers you to find and fix PC problems like BSOD errors, DLL errors, EXE errors, problems with programs, system files or registry issues and other system issues with just few clicks. You can get this tool through button/link below.

Method 2: Update Graphics card drivers in Windows PC

Outdated or corrupted graphics card driver in Windows PC can cause ‘COD Dev error 6034’ error or similar. You can fix the issue by updating the graphics card driver.

Step 1: Open your browser and visit your graphics card manufacturer’s official website like NVIDIA, AMD or Intel.

Step 2: Search for latest graphics card driver according to your GPU model and operating system version installed in computer. Download the latest driver

Step 3: Once downloaded, press ‘Windows + X’ keys on keyboard and select ‘Device Manager’

Step 4: Expand ‘Display Adapters’ category, right-click on your graphics card driver and select ‘Update Driver’. Follow on-screen instructions to finish update process

Step 5: Once done, restart your computer to see the changes and check if the trouble is resolved.

Update graphics card drivers in Windows PC [Automatically]

You can also try to update graphics card drivers with ‘Automatic Driver Update Tool’. This software will automatically find the latest updates for all Windows drivers and then install them into computer. You can get this tool through button/link below.

Method 3: Remove corrupted or broken game files in Windows PC

This error occurs possibly due to broken or corrupted games files associated with Call of Duty Warzone and Modern Warfare. You can fix the issue by deleting some game files in computer.

Step 1: Open ‘File Explorer’ and navigate to installation folder of Call of Duty Warzone or Call of Duty Modern Warfare game

Step 2: Now, find and delete the following files

  • .patch.result
  • .product
  • dll
  • db
  • exe (Modern Warfare)

Step 3: Now, launch the ‘Battle.net’ client, and in left pane, select ‘Call of Duty: MW’ and then click ‘Options > Scan and Repair’ from dropdown

Step 4: Wait to complete the process. Once done, re-launch the game and check if the issue is resolved.

Method 4: Remove multiplayer game packs in Xbox

Another possible way to fix this issue in Xbox device is to remove multiplayer specific game packs. Let’s try.

Step 1: On your Xbox device, select ‘Call of Duty: Modern Warfare’. Press ‘Menu’ button and select ‘Manage game & add-ons’

Step 2: Now, select ‘Call of Duty: Modern Warfare’ and also select ‘Manage Installation on External Drive’

Step 3: Scroll down and deselect ‘MP2 Pack’ and ‘Multiplayer Pack 3’ and then select ‘Save Changes’

Step 4: Restart your Xbox once done and check if the problem is resolved. You can repeat the same steps in ‘Call of Duty: Warzone’ and check if the issue is resolved.

Method 5: Change Network settings

Step 1: On Xbox one, go to ‘Settings’

Step 2: Now, select ‘Network > Advanced Settings’

Step 3: Select ‘Alternate MAC Address >Clear’. Restart your console once done and check if the trouble is resolved.

Method 6: Change DNS address to Google’s DNS address

Another possible way to resolve the issue is to change Wifi/router DNS settings to Google’s DNS settings. You can change DNS address in Primary DNS and Secondary DNS to ‘8.8.8.8’ and ‘8.8.4.4’ respectively.

Method 7: Reinstall Call of Duty: Warzone or call of Duty: Modern Warfare

If the issue is still persist in Xbox or Windows PC, then you can try to resolve the issue by reinstalling your Call of Duty: Warzone and Call of Duty: Modern Warfare games.

Conclusion

I am sure this post helped you on How to fix COD Dev error 6034 Xbox in Call of Duty Warzone and Modern Warfare games with several easy steps. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.