Modern Warfare 3 Shaders Optimization Every Time I Play, How to Fix?

Call of Duty: Modern Warfare 3 (2023) early access campaign has already started for all supported platforms, allowing players to enter the early beta testing phase before launching it worldwide on Nov 10, 2023. Though COD titles are well optimized for multiplayer sessions, visual experience, storyline, etc., all Call of Duty video games are prone to bugs and crashes. Meanwhile, it seems that several players are facing the Modern Warfare 3 Shaders Optimization issue on both PCs and consoles.

As per multiple reports, so many Call of Duty Modern Warfare III (2023) players are affected by the shaders optimization screen, which is stuck, and the percentage progress doesn’t go on. Some other players claim that even though they can play the MWIII game, the shaders optimization percentage progression takes too much time to complete. Well, this is one of the frustrating issues that we can’t deny. It happens due to multiple potential reasons that we’ve mentioned below.

Modern Warfare 3 Shaders Optimization Every Time I Play, How to Fix?

Fix Modern Warfare 3 Shaders Optimization Every Time I Play

The chances are high that somehow you’re having a couple of issues or conflicts at your end that basically cause shaders optimization stuck most of the time. It indicates an outdated game patch version, internet connectivity issues, corrupted game files, system glitches, graphics card-related conflicts, and more. Now, if you’re also facing the same issue irrespective of the console or PC then don’t worry. Here we’ve shared with you some workarounds that can help. So, without further ado, let’s get into it.

1. Restart the PC or Console

We always recommend you restart your PC or console whatever you use to play games. It basically clears temporary system glitches to perform better. Any kind of cache data issue can trouble you a lot. So, head over to the Start menu > Click on the Power icon > Select Restart.

2. Restart Shader Optimization

There are some reports surfaced online regarding the shader optimization progress being stuck at a few per cent and it doesn’t complete 100% most of the time after getting into the Modern Warfare III interface. This specific issue also happened before with Modern Warfare II or Warzone titles. So, it’s not a new issue for the players. Luckily, some players have managed to fix this issue by restarting the shader optimization process which might get stuck for some reason. To do that:

  • Launch Call of Duty Modern Warfare 3.
  • Go to the Settings menu > Select the Display tab.
  • Scroll down and you’ll find Restart Shaders Optimization.
  • Just click/select it and wait for the installation to be completed.

In some cases, restarting the game & then restarting the shader optimization process might become helpful. This process may take some time. So, have some patience.

3. Ensure Your PC Spec Meets the System Requirement

The chances are possible that your PC specification doesn’t meet the system requirements of the COD MWIII (2023) game or that some of the hardware/software parts are outdated enough. So, you should cross-check the minimum system requirements of the game with your PC configuration to confirm whether any kind of upgrade is necessary or not.

  • 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
  • Storage: SSD with 149 GB available space

In case, your PC specs are compatible then skip to the next method.

4. Use the Dedicated Graphics Card

You should always use the dedicated graphics card on your PC to avoid game launching or graphical issues. In case, the integrated HD GPU is set as a default one then you’ll face issues.

For Nvidia:

  • Right-click on the empty area on the desktop screen.
  • Click on NVIDIA Control Panel.
  • Select 3D settings > Choose Manage 3D settings in the left pane.
  • Then select the Program Settings tab.
  • Choose Call of Duty: Modern Warfare III from the drop-down list.
  • Now, select a High-performance NVIDIA processor.
  • Save changes and reboot the PC to apply changes.

For AMD:

Switchable Graphics offers several standard operating modes and can be configured to run a specific application using the desired GPU. AMD graphics card users should use the following steps.

  • Right-click on the empty area on the desktop screen.
  • Select AMD Radeon Settings from the context menu.
  • Next, click on System > Select Switchable Graphics.
  • Save changes and reboot the PC to apply changes.

5. Update the Graphics Driver

Sometimes issues with the graphics card driver such as an outdated driver or corrupted driver on the system can eventually trigger multiple conflicts while playing video games. It’s suggested to check for the graphics driver and install the latest driver version.

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:

6. Check for COD MWIII Updates


An outdated game patch version might cause game launching issues as well as in-game bugs. That’s why updating the game will help in reducing bugs or stability issues whatsoever. You can follow the steps below to manually check for game updates.

  • Open the client.
  • Go to Game Library > Select Modern Warfare III.
  • Click on the cog wheel icon next to the game.
  • Next, click on Check for Updates.
  • If an update is available, download and install it.


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

Note: Do keep in mind that the Steam client should be running and the internet should be active to automatically install updates in the background.

For Xbox:

  • Press the Xbox button on your Xbox controller.
  • Now, select My Games & Apps > Choose See All.
  • Select Manage > Hit Updates.
  • If there is an update available, your console will automatically start downloading & installing the new patch.

Please Note: It’s worth recommending going to the Settings page > Choose Systems > Select Updates to update your game automatically whenever the console is connected to the internet.

For PlayStation:

  • Head over to the PlayStation home screen.
  • Go to Games > Select Call of Duty Modern Warfare III.
  • Press the Options button on the controller.
  • Select Check for Update.
  • If there is an update available, follow the on-screen instructions to install it.
  • Wait for the update to complete and then reboot the console.

7. Scan 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.

8. Run a SFC Scan

SFC (System File Checker) tool is useful to check whether any program file or a disk drive has some issues not on a Windows system. If there is an issue, you can try manually fixing it by following the steps below. To do this:

  • Open the Start menu > Search for cmd.
  • Right-click on Command Prompt from the search result.
  • Click on Run as administrator > If prompted, click on Yes to give admin privileges.
  • Type the following command in the cmd window and hit Enter to execute it:
sfc /scannow

  • Now, wait for the process to complete. It may take a couple of minutes or so.
  • Once done, reboot the PC, and check for the issue again.

9. Delete the Cache Data on Consoles

It’s also recommended to delete the cache data from your console’s system manually by following the steps below. This method will let you fix several issues with the game crashes or multiplayer connectivity glitches.

For PS4/PS5:

  • Power On your PS5 or PS4 console.
  • Press and hold the Power button until you hear a beep sound.
  • Unplug the power cable from the console once the light stops blinking.
  • Then wait for at least 30 seconds > Plug back the power cable again and check for the issue.

For Xbox One or Xbox Series X|S:

  • Press the Xbox button on your controller to open the Guide menu.
  • Select Settings > Go to Devices & Connections.
  • Choose Blu-ray > Select Persistent Storage.
  • Select Clear Persistent Storage.
  • Go to Guide by pressing the Xbox button on your controller.
  • Then go to Profile & System > Select Settings.
  • Choose System > Select Console Info.
  • Select Reset Console > If prompted, choose Reset and Keep My Games & Apps.
  • Wait for this process to complete and the console will reboot automatically.

Please Note: Not every game will retain its update files, so you may have to reinstall updates to some games.

10. Reinstall Call of Duty Modern Warfare 3

Last but not least, you’ll need to uninstall and reinstall the Call of Duty Modern Warfare 3 (2023) game on your respective device. Sometimes issues with the game installation directory or files might trouble you. Though reinstalling the game isn’t always recommended, there is nothing else to do at your end.

For Steam:

  • Open the Steam client on your PC.
  • Go to Library > Right-click on COD MWIII.
  • Select Uninstall > Click on Delete to confirm.
  • Wait for the uninstallation process to complete.
  • Exit the Steam client > Open File Explorer.
  • Copy & paste C:\Program Files (x86)\Steam\steamapps\common on the address bar.
  • Then hit Enter to search for the location.
  • Go to the COD MW3 folder > Delete the folder completely.
  • Reboot the PC to apply changes.
  • Finally, open Steam > Reinstall the COD MWIII game again.


  • Open the client.
  • Select Call of Duty: Modern Warfare III from the left panel.
  • Choose the Options menu on the left side.
  • Click on Uninstall Game > If prompted, confirm the uninstallation process.
  • Once done, close the launcher, and reboot the PC.
  • Next, open the launcher again > Start installing COD: MW3.
  • Click on the Options menu > Select Modify Install.
  • Select the mode that you want to install and select Confirm.
  • Hit Start Install and wait for it to complete.
  • Finally, launch the game.

For PlayStation:

  • Go to Settings > Select Storage.
  • Select COD Modern Warfare III.
  • Hit Delete > Once done, download and install it again from the PS Store.

For Xbox:

  • Press the Xbox button on the controller to open the Guide menu.
  • Select My games & apps > Hit See all > Choose Games.
  • Choose the Ready to install tab.
  • Select Queue > Choose the Modern Warfare 3 game.
  • Now, press the Menu button on your controller.
  • Select Manage game & add-ons or Manage app.
  • Choose Call of Duty Modern Warfare 3.
  • Select Uninstall all > Ensure to select Uninstall all to confirm the task.
  • Wait for the uninstallation process to complete.
  • Once done, reboot the system to apply changes.
  • Press the Xbox button on the controller to open the Guide menu again.
  • Hit My games & apps > Select See all > Go to Games.
  • Select the Ready to install tab > Hit Install for COD Modern Warfare 3.
  • Wait for the installation process and then restart the console.

For those who are experiencing specific issues like getting Unexpectedly Stopped Working Error or Multiplayer Not Working, it’s recommended to click on the provided link to get detailed troubleshooting steps and possible solutions. Always ensure your systems are up-to-date, and be patient as fixes and updates roll out. That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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