How To Fix COD Vanguard Error 0x00000000 (Application has stopped working)

A common problem that occurred since COD Vanguard was released, the 0x00000000 error (Application has stopped working) affects many players around the world. The good thing is, this issue can be fixed easily if you’re willing to do some troubleshooting.

In this guide, we’ll show you the most effective ways to deal with this particular error code.

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How to fix COD Vanguard error 0x00000000 (Application has stopped working)?

There is a wide range of possible causes for 0x00000000 in Call Of Duty Vanguard. For some people, the error may be an indication of an outdated driver/s while others may experience it due to system problems that might be unique to a particular PC.

Fix #1: Check for updates.

One of the easy ways to prevent, and, sometimes, even to fix bugs, is by installing the latest drivers. Make sure that your gaming PC runs an updated suite of drivers for everything.

Of important note here is to ensure that your graphics drivers are up-to-date. Having updated graphics drivers keeps your GPU running smoothly with the Operating System. Outdated graphics drivers are a common cause of issues for PC gamers.

Graphics drivers are regularly updated by hardware manufacturers, especially when there’s a newly released major game title. You can update drivers via the Device Manager, using a special software like NVIDIA GeForce Experience, or using the Windows Update tool.

Also, be sure to keep your Windows Operating System updated at this time.

In order to take care of all your drivers and software updates, simply update the system using the Windows update mechanism by going to Settings > Windows Update.

Fix #2: Run COD Vanguard as Admin.

After taking care of your outdated graphics drivers and software, the next thing that you want to do is to ensure that the game is not blocked by the system.

Many players have reported that their Call of Duty Vanguard game started working properly after giving its .exe file and Battle.net launcher with admin access.

We suggest that you do this solution once you’ve updated everything but the error code returns.

Remember, you want to give both the Battle.net application and game software admin access in order for this to work.

Here are the steps on how it’s done:

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Press the Windows key on your keyboard to pull up Windows search and type in “Call of Duty Vanguard.”
Right-click on the Call of Duty Vanguard app and select Run as administrator.

Follow the same steps for the Battle.net app.

Fix #3: Repair game files.

If checking for privilege issues did not fix the problem, the next solution to try is to check the health of COD Vanguard files in the game folder.

Similar to other games from the franchise such as Call of Duty: Modern Warfare and Call of Duty: Warzone, Vanguard may crash due to missing or corrupted game files. You can use the Scan and Repair tool from the Battle.net client to verify the integrity of the files. This solution can also fix other error codes that you may encounter from other games.

Launch the Battle.net client on your computer.
Select the Call of Duty Vanguard game icon.
Click Options next.
Select Scan and Repair from the options.
Click Begin Scan. Wait for a few minutes until the tool completes the scanning and repairing of files process.
Access the game to check if the error code is now gone.

Fix #4: Close other programs.

If you’re running other applications when the game is on, consider checking if your PC is running out of resources. You can do that by pulling the Task Manager (CTRL+SHIFT+ESCAPE) up.

If possible, close other background applications or other programs to ensure that the game has all the necessary resources it needs to run properly.

Fix #5: Disable apps with overlay.

Some people have reported that their COD Vanguard game only crashes or experiences an error code when they’re running certain software with overlay features. Some of these software are pretty popular with gamers so we’re not 100% sure if they’re really the cause of the problem.

Some of the popular software with overlay feature includes, but are not limited to, the following:

Spotify
MSI Afterburner
NVIDIA GeForce Experience
Discord

Keep in mind that there are tons of other software with overlay out there. Consider closing them to see if this troubleshooting will work in your case.

Fix #6: Delete and update the Call Of Duty Vanguard installation folder.

If Scan and Repair did not help and COD Vanguard continues to crash and then show the 0x00000000 error, you can also try to delete the game files manually in order to force the game to update itself again.

To do that, here’s what you need to do:

Close Call of Duty Vanguard game if you’re running it.
Go to your main Call of Duty Vanguard installation folder. The default is usually located in C:\Program Files (x86)\Call of Duty Vanguard but it can be different if you have a different installation path.
Once you’ve found the Call of Duty Vanguard folder, open it.
Delete all files within the folder except Blizzardbrowser, Data, and Main.
Restart the game by launching it from a Battle.net client.
Once you get the error saying that the game is corrupt, proceed with the update option.

Fix #7: Delete and reinstall.

Finally, the last resort that you can do in this case is to do a clean install. This is a necessary solution if the error code remains after doing all the solutions above.

You can either uninstall the game via the Battle.net launcher or within the Windows Apps & Features option.