Fix Call of Duty Vanguard The Application Unexpectedly Stopped Working Error 0x00000000

As the new Call of Duty Vanguard is live now, plenty of Call of Duty fans or multiple other FPS game lovers are jumping into the title. Now, if you’re facing an issue or error message with the Call of Duty Vanguard that The Application Unexpectedly Stopped Working Error 0x00000000 or lagging issues then make sure to follow this troubleshooting guide completely to resolve such a problem.

According to the error notice, “The Application Unexpectedly Stopped Working.” and it suggests trying to scan & repair the game files on the PC to fix this issue quickly. Luckily, this is considered one of the most common issues, and a couple of possible workarounds mentioned below should come in handy. This particular error is crashing mostly the PC devices where the game doesn’t launch.

Fix Call of Duty Vanguard The Application Unexpectedly Stopped Working Error 0x00000000

Fix Call of Duty Vanguard The Application Unexpectedly Stopped Working Error 0x00000000

So, without wasting any more time, let’s jump into the guide below. Make sure to follow all the steps until the problem gets resolved.

1. Launch the game in Safe Mode

If the game doesn’t launch at all or it crashes a lot then make sure to run the game in the Safe Mode. You’ll automatically get a prompt to launch the game in Safe Mode. Just click on Yes to launch the game and see if this problem has been fixed or not.

2. Whitelist the game exe file to the Antivirus program

The second thing you can do is simply allow or whitelist the game’s executable file to the antivirus program to check if that fixes the issue or not.

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  • Go to Windows search > Type Virus and Threat Protection then hit Enter.
  • Now, go to the Ransomware protection> Turn on the Controlled folder access.
  • Click on Allow an app through Controlled folder access > Next, click on Add an Allowed app.
  • Make sure to browse all apps and head over to the Call of Duty Vanguard installation folder where you’ve installed the game.
  • Then select the game folder and open it > Rename the Vanguard.exe file and click on Open.
  • Next, do the same steps again for the Vanguard Launcher.exe file and click on Open.
  • Finally, reboot your PC, and try running the game again to check for the issue.

3. Force Run DirectX Direct3D

  • Open the Battle.net client > Click on the Call of Duty Vanguard game here.
  • Click on the blue Game Settings option > Select Game Settings.
  • Make sure to enable the “Additional Command Line Arguments” checkbox by clicking on it.
  • Now, type the following command-line argument in the field:
-d3d11
  • Finally, reboot the Battle.net client and restart the game.

4. Link Blizzard Account with Activision

  • First of all, go to the Activision Profile link and log in with your Activision email and password.
  • Then head over to the LINK WITH BATTL.NET ACCOUNT option > Click on the blue Link Account button.
  • Now, click on Continue > Enter your Battle.net email and password then just Login.
  • Make sure to perform the security check by clicking on the Submit button.
  • You’ll now receive a six-digit code in your email account as a verification code.
  • Open the email inbox and enter the verification code to the box then click on Submit.
  • Finally, your Activision account will be connected to your Battle.net account.

5. Allow the game exe via the Controlled Folder Access

  • Press the Windows Start key > Search for Controlled Folder Access.
  • Get into it > Select Allow an app through Controller Folder access.
  • Click on Add an Allowed App > Browse and select both the Vanguard.exe file and the Vanguard Launcher.exe file one by one.
  • Finally, reboot the PC to apply changes.

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6. Run the game as an administrator

Make sure to run the game exe file as an administrator to avoid user account control regarding privilege issues. You should also run the Steam client as an administrator on your PC. To do this:

  • Right-click on the Call of Duty Vanguard exe shortcut file on your PC.
  • Now, select Properties > Click on the Compatibility tab.

  • Make sure to click on the Run this program as an administrator checkbox to checkmark it.
  • Click on Apply and select OK to save changes.

Make sure to do the same steps for the Steam client too. It should help you to fix the Call of Duty Vanguard issue on your PC.

7. Update GPU Drivers

Somehow it may also be possible that your graphics driver hasn’t been updated for a while. If that’s the case, then make sure to update the graphics drivers on your PC to remove potential glitches whatsoever. To do so:

  • Press Windows + X keys to open the Quick Link Menu.
  • Now, click on Device Manager from the list > Double-click on Display adapters.
  • Right-click on the dedicated graphics card that you’re using.

  • Next, select Update driver > Choose to Search automatically for drivers.
  • If there is an update available, the system will automatically download & install it.
  • Once done, restart the computer to apply changes immediately.

8. Perform a Clean Boot

Some of the apps and their services may start automatically while booting the system right away. In that case, those apps or services will definitely gonna use a lot of internet connection as well as system resources. If you’re also feeling the same, make sure to perform a clean boot on your computer to check for the issue. To do that:

  • Press Windows + R keys to open the Run dialog box.
  • Now, type msconfig and hit Enter to open System Configuration.
  • Go to the Services tab > Enable the Hide all Microsoft services checkbox.

  • Click on Disable all > Click on Apply and then OK to save changes.
  • Now, go to the Startup tab > Click on Open Task Manager.
  • The Task Manager interface will open. Here go to the Startup tab.
  • Then click on the particular task which has a higher startup impact.
  • Once selected, click on Disable to turn them off from the startup process.
  • Do the same steps for each program that has a higher startup impact.
  • Once done, make sure to restart your computer to apply changes.

9. Close Unnecessary Background Tasks

Whenever there is a couple of unnecessary background running tasks that appear and seem to be third-party sources, make sure to close them one by one to reduce consumption of CPU/Memory usage. To do this:

  • Press the Ctrl + Shift + Esc keys to open Task Manager.
  • Click on the Processes tab > Select the task that you want to close.

  • Once selected, click on End Task. Make sure to do the steps for each task individually.
  • Once done, just restart your computer to change effects immediately.

10. Disable Antivirus and Firewall Program

It’s worth recommending to disable the antivirus program as well as the firewall protection on your computer to check for the issue. Sometimes the aggressive antivirus or security protection software can prevent game files to run properly or find them as viruses which basically trouble you to launch them or play them smoothly. To do that:

  • Click on the Start menu > Type Control Panel and open it.
  • Now, type firewall in the search box > Click on Windows Firewall.
  • From the left pane, click on Turn Windows Firewall on or off.
  • Make sure to select Turn off Windows Firewall for the Private, Domain, and Public Network Settings.
  • Finally, reboot the PC to apply changes, and try checking the issue.

Now, you’ll have to disable the antivirus protection from your computer. To do so:

  • Head over to the Windows Settings > Privacy and Security.
  • Now, go to Windows Security > Virus & threat protection.
  • Click on Manage settings >Then turn off the Real-time Protection option.
  • Once done, make sure to reboot your PC to apply changes.

Even if you’re using any other third-party antivirus software on your PC then make sure to turn it off as well.

Read More: Is There A Fix For Call of Duty Vanguard Multiplayer Party Up Error

11. Try Disabling Overlay Apps

It seems that a couple of popular apps do have their own overlay program that can eventually run in the background and cause issues with the gaming performance or even launching issues. You should turn them off to fix the issue by following the steps below:

Disable Discord Overlay

  • Launch the Discord app > Click on the gear icon at the bottom.
  • Click on Overlay under App Settings > Turn on the Enable in-game overlay.
  • Click on the Games tab > Select Call of Duty: Vanguard.
  • Finally, turn off the Enable in-game overlay toggle.
  • Make sure to reboot your PC to apply changes.

Disable Xbox Game Bar

  • Press Windows + I keys to open Windows Settings.
  • Click on Gaming > Go to Game Bar > Turn off Record game clips, screenshots, and broadcast using Game bar option.

If in case, you’re unable to find out the Game Bar option then just search for it from the Windows Settings menu.

Disable Nvidia GeForce Experience Overlay

  • Launch the Nvidia GeForce Experience app > Head over to Settings.
  • Click on the General tab > Disable the In-Game Overlay option.
  • Finally, restart the PC to apply changes, and launch the Vanguard game again.

Also do keep in mind that you should disable some other overlay apps like MSI Afterburner, Rivatuner, RGB software, or any other third-party overlay apps that run in the background always.

12. Repair Game Files on Battle.Net Client

Mostly corrupted or missing game files on your computer won’t gonna notify you but whenever you try launching the game, it’ll crash or after loading sometimes it won’t gonna open. In that scenario, you’ll definitely gonna scratch your head that what’s going on. But repairing the installed game files directly from the client will resolve multiple issues. To do so:

  • Open the Battle.net client on your computer > Head over to the library and click on COD Vanguard.
  • Click on Options > Select Scan and Repair > Choose to Start Scan.
  • Wait for the process to get completed and then you’ll be able to play the game properly. Make sure to reboot the client to apply changes immediately.

13. Set Power Options to High Performance

Call of Duty titles are too big in size and due to their high-end graphics or processes, they require maximum system resources while launching or running. So, it’s highly recommended to set power options to High Performance on your Windows system so that it won’t limit the use of system resources while playing COD vanguard. To do that:

  • Click on Start or press Windows key > Type Power Options and open it.
  • Now, click on the Additional power settings option > Turn on the High-Performance toggle.
  • Once done, make sure to reboot your system to change effects immediately.
  • Finally, you may not receive the Call of Duty Vanguard The Application Unexpectedly Stopped Working Error 0x00000000 again.

14. Set Windows System to Best Performance

You’ve some performance issues on your Windows computer even you’re not running any high-end applications or games or your hardware configuration is high enough then make sure to set the Windows system to Best Performance mode by removing additional features or visual enhancements. To do this:

  • Go to Windows Search and type Performance then open it.
  • Now, click on Adjust the appearance and performance of Windows.
  • Just turn on the Adjust for best performance option for better results.

Please Note: Turning on the best performance option will reduce the graphics quality of the system UI or change the UI elements or even font design. But do not worry. If that option didn’t help you, just go back to the recommended mode or the previous option again.

15. Disable the SysMain Service

Make sure to disable the SysMain service that’s also known as SuperFetch which eventually causes issues with the game launches and gameplay. To turn it off:

  • Press the Windows + R keys to open the Run dialog box.
  • Now, type services.msc on the field and hit Enter to open Services.
  • Find SysMain service from the list of services > Right-click on SysMain.
  • Click on Stop > Right-click on SysMain again > Go to Properties.
  • Set the Startup Type to Disabled > Click on Apply and then OK to save changes.
  • Finally, restart the computer to apply changes.

16. Adjust Vanguard Exe Properties

Sometimes adjusting or tweaking some of the options directly from the COD Vanguard executable properties option will resolve multiple issues whatsoever. To do so:

  • Right-click on the Vanguard executable file from the desktop or from the installed game location.
  • Now, select Properties > Click on the Compatibility tab.
  • Here click on Disable Fullscreen optimizations.
  • Then click on Change high DPI settings > Enable the Override high DPI scaling behavior checkbox.
  • Select Scaling performed by: Application > Click on Apply and then OK to save changes.

17. Disable Crossplay Feature

Ensure to disable the Crossplay feature on your Battle.net client to check if that helps to remove the crashing issue with the Vanguard game.

18. Delete Battle.Net Cache Data

It’s needless to say that, corrupted cache data files can eventually cause several issues. To do that:

  • Close all the games first and then quit the Battle.net client too.
  • Now, press the Windows + R keys to open the Run dialog box.
  • Type %programdata% and hit Enter to open the Program Data folder.
  • Open the Blizzard Entertainment folder > Head over to Battle.net.
  • Click on Cache > Select all files and delete them.
  • Once all is deleted, reboot your computer to apply changes.

Now, you should be able to launch and play the Call of Duty Vanguard game quite easily by fixing The Application Unexpectedly Stopped Working Error 0x00000000.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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