Call Of Duty: All Dev Error Codes (Updated) 2021 | Fixed

I don’t think that the Call of Duty franchise needs any introduction as they are a very well renowned gaming venture. With time many series were added to this franchise, such as Cold War, Modern Warfare, Warzone, COD: Mobile. Also, most of them are set in futuristic worlds and outer space. However, in April 2021, it becomes the best-selling first-person shooter game and third best-selling of all time in the United States. This is a huge achievement, right?

Absolutely yes, but with great success, you need to be more careful as the larger your family, the more work you need to do in order to feed them. So, in the case of Call of Duty, it looks like users face some severe and annoying dev error code repeatedly. Luckily, I’ve gathered the dev error codes all in one in this guide, along with their fixes. So, self serve yourself and find the error code that you are suffering from this list. Now, let’s get started.

Call of Duty all dev error codes fix

Call Of Duty| How to Fix Dev Errors

It is annoying when you are not able to play your favourite game due to some sneaky errors. So, here is the list of dev errors and their fixes:

#1. Dev Error Code 91

This error is basically related to a connectivity issue. Yes, this is the indication that your internet connection is either fluctuating or not giving proper speed. So, what are the fixes available to fix this dev error code 91? Here I found some of the fixes that you can try out to fix this:

  • Check your internet speed if you find that your WiFi connection is not giving proper speed. Then, power cycle once and check again. However, if you still encounter the error even after power cycling, contact your ISP and complain about a slow connectivity issue.
  • Another thing you can try is if your WiFi is working correctly, you can try using a VPN as this helps many players fix the error code 91.
  • Check DownDetector and see if there are more players reporting the same. If so, that’s means you have to do nothing, as this is the error that occurs from the server’s end. So, wait until developers fixed this error.
  • Try Google DNS settings.
  • Kill all the background processes if you are playing on Windows PC.
  • Reset your network settings to default (consoles).

#2. Dev Error Code 402

Error code 402 is related to some random and temporary cache file, or sometimes it even occurs due to damaged and corrupted files. So, what are the fixes? Well, there are a couple of fixes available that you can try. So, let’s see them:

  • Firstly you can try is to play the game on PC and then try to run the game into Safe Mode.
  • For console, the player closes the game, reboot your console and then clean your blue-ray CD. After that, try to play the game, and you’ll see that the error gets disappeared.
  • You can also close the game and clear cache data.
  • Still, no luck? Then, verify your game files. This will find and fix if there is any damaged or corrupted file present in your game files folder.
  • Check if there is an update available. If so, then update it.

#3. Dev Error Code 426 And 262146

There are multiple reasons why this error code occurs. Either it may be due to network fluctuation or sometimes due to unreadable game files. So, if you are also getting any of the two error codes, follow these steps:

  • Check your internet speed if you find that your WiFi connection is not giving proper speed. Then, power cycle once and check again. However, if you still face the error even after power cycling, contact your ISP and complain about a slow connectivity issue.
  • Another thing you can try is if your WiFi is working correctly, you can try using a VPN as this helps many players fix the error code 426 and 262146.
  • Reset your network settings to default.
  • Verify your game files. This will find and fix if there is any damaged or corrupted file present in your game files folder.
  • If it is possible, shift to another network, such as another WiFi network or use your mobile hotspot.

#4. Dev Error Code 0608 or 6068

Basically, this error occurs when someone hit the Play button to jump into the battlefield. Then, after a few minutes in the gameplay, it freezes and suddenly stop working or crashes with this error code. So, here I find some effective fixes that you may try to fix this annoying error. In the meantime, we have a dedicated guide on fixing the COD: Warzone crashing issue. You may also check if you like to. So, now hover to the steps:

  • Try changing your VideoMemoryScale inside your Call of Duty games folder.
  • Also, if the above method won’t work, try running the game with DirectX 11.
  • You can also try lowering the graphics setting and making sure no app is running in the background.
  • Set your GPU to high-performance mode.
  • Most importantly, check your game file integrity.
  • Check for GPU driver update as many players reported that after updating to the latest version of GPU driver, these codes get disappeared, and their games are now working correctly.
  • Try running the game with admin rights.
  • Power cycle your device (for console players).
  • For console player, reset your database. This indeed fixes the issue permanently.

#5. Dev Error Code 740 and 791

On Reddit Forum, a user posted that he’s getting the CDL playlist dev error code 791. And after researching, I’ve found that both the error code 740 and 791 are identical and almost affect the same way. Users are accused that these errors won’t allow them to play the game as it keeps freezes and crashes whenever they try to play the game. This will also affect their game progress which is painful. So, here is what I got to fix these codes:

  • Change your power priority if you are playing on Windows PC.
  • Try running the game with admin rights.
  • Power cycle your device (for console players).
  • Lower down the in-game graphics settings.
  • End all the background tasks.
  • Hard boot your PC or Console, then try to play the game and check if the issue gets resolved.

#6. Dev Error Code 884

Eventually, this error code is not related to your game. Yes, you hear it right. It is basically related to your Windows registry. Sometimes due to missing registry files or dll files, our application starts crashing with error code 884. Now, why and how this code occurs? Well, this occurs when you updated your Windows, and due to some reason, some important registry files or dll files get corrupted or damaged. Now, how to solve this? Here are the steps that you can try:

  • The first action that you can take is, reinstall your Windows update.
  • Then, disable your Antivirus and run the game to check if the issue gets resolved.
  • After that, if you still facing the same issue, check if your Windows firewall conflict with the game.

#7. Dev Error Code 0922

This error is related to the server problem. So, there aren’t any fixes that you can try as this does not occur from your side. So, you require to wait until the developers fixed the issue. So, now, what you can do to know if there is a fix available or not.

Go to DownDetector and check if other players reported the same. However, if you noticed that the rate of complaining decreases over time, then you can launch the game and try to launch the game and check if the issue gets resolved.

#8. Dev Error Code 1099

Error code 1099 is a random error, not frequently occurs. But, when it occurs, suddenly kick out players from the game without any prior notice. Player getting furious just because of this error, as this is super irritating. So, here are a few fixes that you can try that may help you to fix this error code:

  • Run your call of Duty with admin rights.
  • Verify your game file integrity using your launcher.
  • Check if there is any GPU driver update available.
  • Open task manager and check if an application is running in the background that consumes most of your resources. If so, then stop it.
  • Reinstall your game. This will help to fix everything that prevents the game from running properly.

#9. Dev Error Code 1110

This is the error that occurs due to system files being misconfigured in Windows OS. But, don’t worry as there are several fixes available to fix this annoying issue. But, to know them you need to read the guide all the way till the end.

  • Check if there is any update rollout by Microsoft to fix this error.
  • Rollback the GPU driver update to the previous version.
  • If you have enabled the apps or software overlaying, then I will suggest you disable it.
  • Also, disable the Discord overlaying, as many players reported that this helps them to fix the related error code.
  • If the Game bar is turned on, then try playing the game by disabling the Game bar.

#10. Dev Error Code 1121

Another issue that bothered players, whenever they run the game with normal or below priority settings. So, now the main question is, Is there any fix available to fix this error code 1121? Of course, there are fixes available to fix this out. However, after doing enough research, I’ve found something that you can do to fix this issue. So, let’s see them:

  • Run your Call of Duty game as administrator.
  • Change your power priority if you are playing on Windows PC.
  • Verify your game file integrity using your launcher.
  • Check if there is any GPU driver update available.
  • Reinstall your game. This will help to fix everything that prevents the game from running properly.

#11. Dev Error Code 1159

Many users reported that when they get this pop-up notification, the game crashes during online multiplayer. Also, the most irritating part of this error is, it didn’t reveal anything informative about why this could happen. So, due to this, people find it difficult to fix this out. But, don’t worry, our team gathered some information related to fixing this error.

  • Firstly you require to, check if your PC meets the minimum system requirements.
  • You can also scan and verify the game file in the battle.net launcher.
  • Also, you have to ensure that your Windows and GPU drivers all are updated.
  • If you are using overclocking, then I will suggest you disable overclocking.
  • Open your BIOS and there disable the Extreme Memory Profile (XMP).
  • If you have an unlimited internet connection, then lastly, you can try reinstalling the Call of Duty game and then check if the dev error code 1159 get disappeared.

#12. Dev Error Code 1202

Did you have the full version of the game, but still, try to play the free multiplayer mode? Well, if so, then most probably you are getting this vexatious error. Don’t worry! I have some fixes for you that for sure help you are fixing this error code 1202.

Now, what can you do? First, you should stop trying to play the free multiplayer mode as this by doing this. You break the terms of use of Call of Duty. It is just because the user who owns the paid version, or we say a full version of the game, is not allowed to play the free version as COD’s Ai detect this and consider the users violating their code of conduct. They think that you are trying cheap ways to earn more EXP. So, it is better to tell the free player to host a game and then you can join him to get rid of this error.

#13. Dev Error Code 3036

It’s been a while since the user gets this error. But, still, everyone fails to identify the nature of this error code. However, there are fixes available on various forums that users themselves give. So, I’ve gathered them all and mentioned them in this guide:

  • Somehow, it looks like this error is related to a corrupted file. So, the first thing you can do is, verify your game file integrity.
  • After that, if this could not help, then force the Call of Duty to re-update.
  • You can also delete the game data folder so that it can automatically get updated.
  • Also, I recommend you disable the cache sun shadows and cache spot.

#14. Dev Error Code 4365

This error code is basically related to server timeout errors. Either your internet connection or the server itself doesn’t respond, which resulting this annoying error 4365. So, what are the fixes? Look, you have only a few options because it might also occur from the server’s end.

So, you can check your internet connection speed. Also, you can hover to the server down detector to check if there’s also another player who reported the same. If not, then other than waiting, you have no option.

#15. Dev Error Code 4465 and 4656

If you end up getting the error code 4465 or 4656, this means that your Antivirus or your Windows firewall blocks the game to execute properly and use the resources of your computer. Nevertheless, if you are getting this error, then make sure to temporarily disable your Antivirus or allow your game through a firewall.

Other than, this there is no proper fix available currently. However, as soon as we get more about this error, we update this guide accordingly. So, it’s better to bookmark this page so that you can regularly check out this guide to get yourself updated.

#16. Dev Error Code 5476

Are you getting the dev error code 5476? Then, you may not know the fact that your game files get corrupted or damaged. So, what are the best fixes available to fix this out? Well, let’s look at the steps down below to understand what is the necessary steps you need to take:

  • Firstly, you must verify your game file integrity using battle.net.
  • You can also update your game if there’s an update available.
  • If the above two won’t work in your case, the best option is to reinstall the game because you have no other choice as the game files get corrupted.

#18. Dev Error Code 5523

If you are getting this 5523 error code, this indicates that either your DirectX version or your GPU driver conflict with your game. However, in some cases, it is also seen that this error causes by some overlaying applications that you need to disable.

  • Update your GPU driver.
  • Force start the game with DirectX 11 instead of DirectX 12.
  • If you enabled overclocking, then disable it.
  • Disable all the overlaying applications such as Discord.

#19. Dev Error Code 5573

Fatal exception error code 5573 is basically a graphics related error. But, when this error code occurs, the game becomes totally unplayable. And this, by the time, became a headache for us as this error continuously appears without any prior notification. So, now the matter is, is there any fix available? Of course, there are different things that you can try.

  • Update your GPU driver.
  • Alter your in-game graphics settings.
  • Change your dedicated GPU settings.
  • Kill all the background processes.
  • Also, if you are using overlaying, then disable it.

#20. Dev Error Code 5759

This error code pop-ups with an error message DirectX encountered an unrecoverable error. However, it is clear that this error occurs due to an issue with your DirectX version. So, here’s the steps to fix the error code 5759:

  • Update your GPU driver.
  • Force starts the game with DirectX 11 instead of DirectX 12.
  • If you enabled overclocking, then disable it.
  • Disable all the overlaying applications such as Discord.

#21. Dev Error Code 6034

Another one is related to a server error. Many users are complaining that an error message you have been disconnected from the call of duty servers pop-ups suddenly while they are in a match. This kicks them out from the match to their lobby. Most of the users get furious when they get this error.

However, there are two possibilities that why this error code 6034 occurs in Call of Duty. The first one is due to your poor internet connection or an issue with the server. So, in that case, you must wait until the developer fixes the issue from their’s end.

#22. Dev Error Code 6036

Dev error code 6036 generally occurs when your game files get corrupted or damaged. So, in that case, you need to perform these steps:

  • Firstly, you must verify your game file integrity using battle.net.
  • You can also update your game if there’s an update available.
  • If the above two won’t work in your case, the best option is to reinstall the game because you have no other choice as the game files get corrupted.

#23. Dev Error Code 6065 and 6066

Did you update your GPU driver? Well, these error codes are related to a GPU problem. This error code is somehow similar to dev error code 6068. So, you can try the same method as we mentioned for error code 6068 to again starts playing your beloved game, Call of Duty.

  • Try changing your VideoMemoryScale inside your Call of Duty games folder.
  • Also, if the above method won’t work, try running the game with DirectX 11.
  • You can also try lowering the graphics setting and making sure no app is running in the background.
  • Set your GPU to high-performance mode.
  • Most importantly, check your game file integrity.
  • Check for GPU driver update as many players reported that after updating to the latest version of GPU driver, these codes get disappeared, and their games are now working correctly.
  • Try running the game with admin rights.
  • Power cycle your device (for console players).

#24. Dev Error Code 6070

The issue is related to your DirectX version. In most cases, it is found that DirectX 12 comes out as the main culprit. But, also, we all know that DirectX 12 is known to be broken itself. So, what you can do to fix this issue? Look, genuinely, there’s only one option you have to force your game launch with DirectX 11. But, you can still try a few more tricks like:

  • Close all the background processes.
  • Run the Call of Duty game with admin rights.
  • Check for OS and GPU driver update.

#25. Dev Error Code 6328

This error code in Call of Duty belongs to some type of corrupted cache issue. That need to be fixed unless you get this error regularly. Here are the steps that you can perform to fix the dev error code 6328:

  • First of all, you can try restarting your router as well as your computer.
  • After that, disable all the origin services using task manager.
  • However, if you have an Nvidia GPU, then it is recommended to install the Nvidia Studio Driver.
  • You can also force the Call of Duty to run in windowed mode with VSync.
  • Also, clear the battle.net cache files to fix this error code 6328.

#26. Dev Error Code 6345

The root cause of this error is a corrupted file inside your game’s directory. Unfortunately, it is quite tough to fix this unless you reinstall your game. But, don’t worry before installing the game, you can try these fixes:

  • Change your power priority if you are playing on Windows PC.
  • Try running the game with admin rights.
  • Power cycle your device (for console players).
  • Lower down the in-game graphics settings.
  • End all the background tasks.
  • Hard boot your PC or Console, then try to play the game and check if the issue gets resolved.
  • If nothing helps, reinstall the Call of Duty on your device. This will for sure fix the issue.

#27. Dev Error Code 6456

Another error code that is occurs due to an issue with DirectX on your machine. I don’t know why the new DirectX 12 always conflicts with our application, due to which our application is not able to perform correctly. Anyway, let’s look at the fixes that you can try:

  • Update your GPU driver.
  • Force start the game with DirectX 11 instead of DirectX 12.
  • If you enabled overclocking, then disable it.
  • Disable all the overlaying applications such as Discord.

#28. Dev Error Code 6661

Unfortunately, there is no prior reason behind this error, or we may still not be able to find a definitive cause behind this. But, luckily, some users provide their experience and how they fix this error in various forums. So, our team gathered all the fixes for you guys in the all in one dev error codes that occur in Call of Duty. So, here are the steps that you require to take:

  • The first thing you can try is to play the game on PC and then try to run the game into Safe Mode.
  • For console, the player closes the game, reboot your console and then clean your blue-ray CD. After that, try to play the game, and you’ll see that the error gets disappeared.
  • You can also close the game and clear cache data.
  • Check for GPU driver update as many players reported that after updating to the latest version of GPU driver, these codes get disappeared, and their games are now working correctly.
  • Try running the game with admin rights.

#30. Dev Error Code 8086

Error code 8086 indicates that you are using the wrong connection ID. However, there is the various possible reason behind this error. But, the reason what I really find practical is your Antivirus and wrong date and time, region, etc. To fix this, you the below mentioned:

  • Disable your Antivirus temporarily while playing Call of Duty.
  • Also, check if your device’s data and time are correct.
  • Lastly, you can check if your WiFi gives you proper speed or not.

#31. Dev Error Code 80a20305

If you are getting stuck in this particular error, then you may not have updated your game properly as some of the files are missing or corrupted. Meanwhile, if we decode the actual meaning of this error, then it occurs when you update your Xbox using dev mode. After that, when you try to log in, this error occurs. So, is there any fix available? Let’s see.

  • If you are on Xbox, then I recommend you reinstall the game one more time.
  • For PC users, you can try opening the game with admin rights.
  • Also, clear the battle.net cache files to fix this error code 6328.
  • Hard boot your PC or Console, then try to play the game and check if the issue gets resolved.
  • If nothing helps, reset your PC or Console.

#32. Dev Error Code 8192

Are you getting the dev error code 8192? Most probably, yes. I mean, that’s why you are here. But, did you find the reason behind this error? No, then let me tell you that this error occurs when the game is unable to fetch a player’s profile. This just totally depends upon the developers as this error occurs from the end of the server. Anyway, to fix this issue, you can rely on the below-mentioned fixes:

  • Check your internet speed. If possible, shift to another WiFi network.
  • Ask your friend that if he/she is also getting the same error or not. If so, then except waiting, you do not have any other option.
  • Power Cycle your device.

#33. Dev Error Code 19-1788

This is the latest and most annoying error that occurs in Call of Duty. The error code 19-1788 make the game freeze and then close it automatically. But, now you do not have to worry as here we mentioned all the possible fixes to fix code 19-1788:

  • First, you can check if the servers are working correctly using the down detector.
  • Now, you can try lowering down the VRAM and texture settings.
  • Try changing your VideoMemoryScale inside your Call of Duty games folder.
  • Also, if the above method won’t work, try running the game with DirectX 11.
  • You can also try lowering the graphics setting and making sure no app is running in the background.
  • Set your GPU to high-performance mode.

#34. Dev Error Code 0-1766

Dev error 0-1766 is discovered by a user recently. He complains that after installing the latest patch. The Call of Duty game suddenly starts crashing. Activision stated that they try to find out the possible reason behind this error and soon provide some solution to this error. Meanwhile, you can try these steps to fix this bothering error:

  • Kill the background processes.
  • Reset your network setting on your PC.
  • If you enabled the HDR mode, then try playing the game by disabling the HDR mode.
  • Try changing your VideoMemoryScale inside your Call of Duty games folder.
  • You can also try lowering the graphics setting and making sure no app is running in the background.
  • Set your GPU to high-performance mode.

#35. Dev Error Code 6 and Diver

This is another error that is caused due to missing or corrupted game data. So, in order to fix it, you have to perform a few simple steps. Meanwhile, if you want to know about this error in more detail, check out our comprehensive guide on dev error code 6 and diver.

  • Reboot your game as well as your device.
  • Delete the .idx file and data.idx file from the Battle.net installation folder.
  • If you are a PC player, then run the game with admin rights.
  • Add your game to the Windows firewall exception list.
  • Rebuilt the database if you are playing the COD on your gaming console.

So, that’s it. These were some dev error occurs in Call of Duty. Now, you know how to fix each error. So, what are your waiting for? Go and enjoy your game. Also, I recommend you bookmark this page whenever any dev error code is introduced. We will update this guide accordingly. Further, if you want to appreciate our work, leave feedback in the form of a comment.

Marcos Hamilton
  • Marcos Hamilton
  • Macros is a techno freak who loves new gadgets and always keen to know about the latest games and everything happening in and around the technology world. He has a massive interest in Android and streaming devices.

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