Tired Of Trying To Fix MW3 Error Code 0X3 On Xbox

Call of Duty Modern Warfare 3(MW3) game available through battle.net launcher and recently the game has been released for Xbox Game Pass users also. Now, just like any other game, COD MWIII is also not immune to crashes. Since its launch, gamers are continuously having the profile signing issues or crashing issues with the Black Ops 6 game with error code 0X1.

Gamers are even complaining to the Microsoft support regarding the various crashing issues with MW3 on Xbox. One such crashing issue with MW3 is error code 0X3.

In this article, we will discuss in details about the “MW3 the game has crashed error code 0x3” where the users are not even able to pass the splash screen while starting the game on the Xbox. We will discuss the probable causes and the fixes on how you can fix MW3 error code 0X3 at startup.

Table of Contents

Causes of MW3 Error Code 0X3

MW3 startup error code 0X3 on Xbox indicates that the game has crashed, either due to the corrupted game’s installation files or there is some kind of confliction with other installed software in your system. Here are some of the major causes behind MW3 error code 0X3–

Confliction with the anti-cheat softwares– If you have installed any and Anti cheat software such as Riot vanguard it may conflict with Modern Warfare 3 installed files on Xbox and in turns gives you error code 0X3
Confliction with re-mapping softwares– The mapping software such as Re-WASD doesn’t let you launch the MW3 game properly, which in turns gives you a startup crash.
Graphics drivers are outdated– If your graphic card drivers are outdated, or you have not installed the required version of the graphic card drivers in your system. The game will not able to function properly, and it gives you the error code 0X3
Confliction with background applications– Background apps that consume more resources may conflict with the MW3 game and doesn’t let you launch the game properly.
Required language is not installed– If the installed language of your game is different from the regional language, no matter what you do, you will not be able to play the game properly. You keep on getting different crashing error code with MW3.
Game’s files are corrupted or incomplete– Sometimes game’s files are not downloaded or if downloaded, they are not installed correctly which gives you crashing issues with the game.
Visual C++ files are not installed or corrupted– Visual C++ different versions are required to run the game properly. If one of the versions is corrupted or not installed in your system, you will not be able to launch the game.

Read Also– Call of Duty MWIII Lobby not Found. Error Code 2901

Fix MW3 Startup Error Code 0X3

Now, the causes for the “MW3 game has crashed error code 0X3” have been clear to you. Now let’s proceed further to fix these causes one by one so that you will be able to enjoy the game with your friends without any kind of error on Xbox Game bar.

Repair Microsoft Visual C++ files

Microsoft Visual C++ contains different packages which are required to run various components of the game engine, and if those files are corrupted, you will not be able to launch the game. So repairing the Microsoft Visual C++ files is a crucial step to fix MW3 error code 0X3. To repair Microsoft Visual C++ files–

Simultaneously press Windows + R key to open the Run command
Type in Appwiz.cpl and hit the enter key
This will open add or remove wizard of your system
Different version of Microsoft Visual C++ will available here
To repair, click on each of the Microsoft Visual C++ package and click on the option uninstall
A small windows will pop up and here click on Repair

Proceed with the onscreen instructions
Make sure you repair each and every Microsoft Visual C++ package installed here

Once done, restart your PC and relaunch Xbox to fix MW3 error code 0X3.

Remove Anti-Cheat Softwares

It has been observed many times that Anti-Cheat softwares such as Riot Vanguard or FaceIT conflicts with Call of Duty Modern Warfare 3 installed files and in-turns prevents the game from running correctly.

So it is necessary to remove Anti-Cheat software from your system and then restart your PC to make the changes taken place. You need to uninstall them from your system by going to settings>Apps>Search for the installed app and then uninstall them one by one.

Once done, relaunch the MW3 to fix MW3 startup error code 0X3.

Remove Conflicting Softwares

Nahimic is used for enhancing the audio performance, but sometimes it may interface with the MW3 game files, leading to error code 0X3 while launching Modern Warfare 3 on Xbox. So it is better to either disable or close the conflicting program while launching the game. To disable to program–

Right-click on the Taskbar and choose the option Task Manager
Click on the Processes tab from the left tab
Find Nahimic service running in the processes
Right-click on Nahimic and choose the option End Task

This will close the Nahimic service. Now go ahead and relaunch the game on Xbox to resolve the MW3 crashing issues while launching the game.

If this method works out for you, make sure you disable the program from the startup apps (Task Manager>Startup tab) also so that in future you don’t need to follow the same instructions.

Install Regional Language

If you have not installed your regional language on the Xbox Game bar, you may encounter the crashing issues with MW3. So you must install the regional language on Xbox Game bar also. To install the regional language–

Open the settings menu and click on the Start menu
In settings menu, click on Time and Language from the left pane
Next to preferred language, click on the option Add a language
Search your regional language and click on the option next to install into your system

Once the language is installed, you need to update your Xbox game files.
So, launch Xbox and select your game
Click on three dot icon next to the game and select Manage
Select the Files tab and click on the option Verify and Install

This will verify the integrity of the game’s files. Xbox may download some files which verifying the integrity.

Once done, re-launch the game to fix The game has crashed error code 0X3 with MW3 on Xbox.

Remove Re-mapping Software

Re-mapping software such as REWASD can interfere with the game’s operation by altering the way inputs are processed, which leads to crashing issues while launching the MW3 on Xbox.

So you need to uninstall the program from your system by going to Settings>Apps>Installed Apps>Find the app and uninstall it from your system

After uninstalling, restart your PC and re-launch the MW3 game to fix error code 0X3.

Replace the Conflicting Files

Call of Duty Modern Warfare 3 game has been released on both Xbox Game bar and on battle.net launcher. So, I have observed that while downloading the MW3 game on Xbox, sometimes the files are not installed properly which gives crashing issues unless you fix those files.

So, use battle.net launcher is a good way to fix those files.

Launch Battle.net launcher in your system (if you do not have, download it from official website and install)
Search for the Call of Duty game and click on the option Install
Choose the installation directory and click on the option Continue
Here, select on the base game option and uncheck the remaining options

The game size is of around 60 GB. So wait for a while until the game is downloaded.
After downloading, you need to replace Xbox game files.
Open the game directory, which is available at C:\Program files(x86)\Call of Duty\_Retail_
Copy all the files of the folder _Retail_
Now, open the Xbox game directory which is available at C:\Xbox Games\Call of Duty\Content
Paste all the files here, and it asks permission to replace the files, hit yes button
This will replace all the corrupted Xbox files. Now, launch the Xbox game bar to verify those files.
Select Modern Warfare 3 game and click on three dots icon and click on the option Manage
Click on the Files tab and choose the option Verify and Repair

Once done, launch your Modern Warfare game, and you will be able to play the game without any error.

Contact Activision Support

Now, if all the methods failed to fix MW3 error code 0X3 on Xbox, it is better to contact their support team by submitting a support ticket on their official webpage. So that one of the support staff will respond to your query and help you launch Call of Duty Modern Warfare III without any error.

Remember, it may take some time to get back to you by the support agent, as they are busy supporting other customers too.

Conclusion: MW3 Error Code 0X3

In this article, I have given you the various causes behind MW3 error code 0X3 and how you can fix those issue to play the game. I hope one of the solutions mentioned in this article, will help you resolve MW3 crashing issues. If you have further queries or questions, feel free to comment below, and I would be more than happy to assist you.

FAQ: COD MW3 The Game has Crashed Error Code 0X3

Below are some questions people find searching on different websites, so I tried to give the appropriate answers to all those queries so that you will get all the answers at a single web page.

What is Error Code 0X3 on MW3?

Error code 0X3 generally indicates that there is some kind of issue with the game’s installed files, which doesn’t let you launch the game. The error may be caused due to confliction with installed software or due to the corrupted game’s files, which can easily be fixed by replacing the files using battle.net launcher.

How to Error Code 0X9 on MW3?

Error code 0X9 occurred mainly due to corrutped game’s files or conflicting with the other installed softwares. So make sure you first of all uninstall conflicting softwares such as FaceIT, Riot Vanguard and REWASD. Once done replace the installed game’s files by copying the game’s files from Battle.net installed files and replacing them on to the Xbox game directory to fix error code 0X9.

Vizit Banger

Owner

I am an engineer by profession and a blogger by passion.
Founder of FixGamingError.com as well as TheLotusGeek.com
I have more than 10 years of expertise in the field of gaming as well as in Windows Support.

MW3 The Game Has Crashed Error Code 0X3 Xbox

Causes of MW3 Error Code 0X3