Modern Warfare 3 Zombies Not Working Fix

Call of Duty: Modern Warfare III (2023) includes Operation Deadbolt, which is an all-new open-world zombie experience for the first time where players can team up with other squads to survive against all odds and fight massive hurdles of undead in the largest COD Zombies map ever. The dead are everywhere, and players must go through story missions. Meanwhile, multiple players seem to be facing the Modern Warfare 3 Zombies Not Working issue.

Even though Activision has taken necessary actions to provide server-side fixes, it looks like unfortunate players are still going through some issues with the zombie’s mode, where the game crashes. It becomes frustrating for the affected players to experience such an issue within a couple of weeks of the game’s release. Multiple reports are claiming that players are unable to connect to the lobby. Now, if you’re also facing the same issue at your end, then don’t worry.

Modern Warfare 3 Zombies Not Working Fix

Why is the Modern Warfare 3 Zombies Crashing or Not Working?

Activision Blizzard hasn’t officially acknowledged the Modern Warfare III Zombies crashing issue. Well, the chances are high that somehow there are multiple potential reasons applicable behind the zombies crashing or not working issue on the Call of Duty Modern Warfare III title. Here we’ve shared with you some reasons that you can check below.

  • Incompatible with System Requirements: In some cases, your PC configuration might not be compatible enough to run the game properly. It may occur in other conflicts when your system specification becomes outdated or running on the lower end.
  • Lack of System Admin Access: Sometimes running the game application without administrative access might also trouble you a lot.
  • Outdated Game Version: Using an outdated game patch version at your end might trigger several issues with the game launching or even conflicts with the specific game mode. Having an outdated version can cause stability and compatibility issues most of the time.
  • Corrupted or Missing Game Files: You should also keep in mind that corrupted or missing game files on the system might cause game-launching issues to some extent. It’s better to avoid game file conflicts to reduce potential glitches.
  • Outdated Graphics Drivers: It’s also possible that somehow your graphics driver becomes outdated and eventually affects the game modes like zombies.
  • Outdated Windows: Mostly an outdated Windows system version can trigger multiple issues with the game modes crashing or not working issues.
  • Fullscreen Display Mode Issues: Fullscreen display mode in the game can also cause crashing issues in some cases. It might be helpful to switch to windowed display mode temporarily to check for the issue.
  • Server Connectivity Issues: Activision online services can also play a major role in the zombie lobby connectivity issue for players. If there is an issue with the server, try checking the server status.
  • Account Log-In Issues: Account log-in issues with the game can also cause multiple conflicts whatsoever. Sometimes signing out of the account and then signing back again will come in handy.
  • Conflicts with the Internet: A poor or unstable internet connection can trouble you a lot when it comes to multiplayer or zombie mode connectivity.
  • Issues with the VPN: VPNs can eventually trouble you a lot while players trying to get into the multiplayer connectivity.

Modern Warfare 3 Zombies Not Working Fix

Fortunately, here we’ve shared with you some workarounds that should come in handy. Make sure to follow all troubleshooting methods until the problem has been fixed. So, without further ado, let’s get into it.

1. Check the System Requirements

It looks like your PC specification isn’t compatible enough with the game’s system requirements to run the program smoothly. Sometimes a game may become incompatible after receiving new patch updates after the launch of the game. So, check out the following requirements to know better.

Minimum Requirements:

  • OS: Windows 10 64 Bit (latest update)
  • Processor: Intel Core i5-6600 or AMD Ryzen 5 1400
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GeForce GTX 960 / GTX 1650 or AMD Radeon RX 470
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Additional Notes: SSD with 149 GB available space

Recommended Requirements:

  • OS: Windows 10 64 Bit (latest update) or Windows 11 64 Bit (latest update)
  • Processor: Intel Core i7-6700K or AMD Ryzen 5 1600X
  • Memory: 16 GB RAM
  • Graphics: NVIDIA GeForce GTX 1080Ti / RTX 3060 or AMD Radeon RX 6600XT
  • DirectX: Version 12
  • Additional Notes: SSD with 149 GB available space

2. Restart the PC

Restarting your computer before performing any other workarounds is highly recommended because a normal reboot of the system can fix multiple issues like temporary glitches or cache data. Go to the Start menu > Click the Power icon > Select Restart.

3. Run MWIII as an Administrator

You should run the Call of Duty Modern Warfare III game application as an administrator on Windows to allow the system user account control permission. Without having permission, some applications might not work properly. To do this:

  • Right-click on the COD: MWIII application on your PC.
  • Select Properties > Click on the Compatibility tab.

  • Enable the Run this program as an administrator option.
  • Now, click on Apply > Select OK to save changes.
  • Once done, run the game to check for the issue again.

4. Update Modern Warfare 3

Sometimes an outdated game patch version can trouble you a lot due to some stability issues or bugs. It’s recommended to check for the game updates manually by following the steps below.

  • Open
  • Click on Game Library > Choose Modern Warfare III.
  • Now, click on the cog wheel icon.
  • Select Check for Updates.
  • Make sure to download & install the update, if available.


  • Open Steam > Go to Game Library.
  • Right-click on Modern Warfare III.
  • Select Properties > Click on Updates.
  • Head over to Automatic Updates.
  • Select Only update this game when I launch it.
  • It’ll automatically install updates whenever available.

5. Verify and Repair the Game Files

Sometimes corrupted or missing game files on the PC might also trouble you while starting the game. It’s always better to verify and repair the game files by following the steps below on your PC to avoid errors.

  • Open > Click on Modern Warfare III.
  • Select the Cog Wheel icon next to the Play button.
  • Now, select Scan and Repair > Wait for the repair to complete.


  • Open the Steam client > Go to Library.
  • Right-click on Modern Warfare III in your library.
  • Go to Settings and select Properties.
  • Click on Local Files > Select Verify integrity of game files.
  • Wait for the process to complete.

6. Update Your Graphics Driver

You should try to update the graphics driver manually by following the steps below. It’ll eventually fix an outdated graphics driver version or corrupted driver.

Recommended Update:

  • Press the Win+X keys > Click on Device Manager from the list.
  • Double-click on Display Adapters.
  • Right-click on the dedicated graphics card that you use.

  • Select Update Driver > Click on Search automatically for drivers.
  • If there is an update available, it’ll automatically download & install the latest version.
  • Once done, restart the computer to apply changes.

Manual Update:

If you can’t find any pending updates, head over to the official website of the respective graphics card brand below and search manually for the latest update. Do remember that you’ll always have to search for the latest driver version and specific for the model you’re using. If a new version is available for the graphics card, download the driver and install it on your PC. You can jump to the link below to do so:

7. Check for Activision Online Services

You should also check for Activision Online Services here to ensure there is no issue with the server downtime or outage. Sometimes game server issues might trigger multiple conflicts at the players’ end. It’s recommended to visit the official link above and select Call of Duty: Modern Warfare III from the list to check for the latest info. If there is an issue with the online services then wait for a couple of hours and try again.

8. Check for Windows Updates

It’s recommended to check for system updates on the Windows PC before getting into any other workarounds. Sometimes an outdated system build can cause several issues.

  • Press the Win+I keys to open Windows Settings.
  • Click on Update & Security.
  • Select Check for updates under Windows Update.Windows Update Windows 11
  • If there is a feature update available, select Download and Install.
  • Wait until the software update is complete.
  • Once done, restart your computer to apply changes.

9. Disable Fullscreen Display Mode

You should try disabling the fullscreen display mode from the game settings menu by following the steps below to avoid crashes with zombie modes. It’s recommended to disable fullscreen display mode manually by following the steps below.

  • Launch Call of Duty Modern Warfare 3 Zombies.
  • Go to in-game Options > Click on Graphics.
  • From the Display section, choose Windowed.
  • Click on Apply and then check for the issue again.

10. Try Joining a Friend in the Multiplayer Lobby

  • Launch COD MWIII Zombies > Join a friend who is already in a multiplayer lobby.
  • Go to the firing range from the Weapons tab.
  • After loading into the firing range, the lobby leader will have to kick you out of the multiplayer lobby.
  • Once you’re out of the firing range, you can try getting into the zombies lobby again.

11. Log Out of your Activision Account and Sign Back In

Most of the Call of Duty PC gamers make this common mistake that they don’t connect or link both the Activision and Blizzard accounts. Make sure to link both these accounts properly.

  • Visit the Activision webpage > Click on LOGIN from the top-right corner.
  • Enter your account credentials and sign in.
  • Now, click on PROFILE from the top-right corner.
  • From the ACCOUNT LINKING section, simply choose Link With Account.
  • Once done, you’ll be able to play the Modern Warfare game easily.

12. Check the Internet Connection

It’s suggested to check your internet connection at your end to ensure there is no network issue or not. A slow or unstable internet connection can basically cause multiple issues whatsoever. If you’re using a wired (ethernet) connection, try using a wireless (Wi-Fi) connection or vice versa to check for the issue. You can also try using a different network to cross-check it.

13. Disable VPN

We suggest you not use any kind of VPN (Virtual Private Network) or proxy servers at your end to avoid server connectivity issues. The chances are high that using a VPN is probably causing ping delay issues which eventually increases server connectivity errors.

14. Disable Variable Rate Shading

Try disabling variable rate shading from the in-game settings to ensure there is no issue with the graphical glitch. To do so:

  • Launch Call of Duty Modern Warfare 3 (2023) on your PC.
  • Navigate to Settings > Click on Graphics.
  • Select Quality > Choose Quality Settings.
  • Turn Off the Variable Rate Shading toggle.

15. Contact Activision Support

If none of the workarounds did come in handy then make sure to contact Activision Support to get further assistance on the same issue. Make sure to submit the support ticket for the same to allow developers to investigate the issue.

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

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