After investigating this issue, it turns out that this is an old issue that Activision is still failing to fix for old and new titles. However, after we’ve investigated the issue we realized that there are actually several different scenarios that might directly or indirectly cause this problem. Here’s a short list of culprits that you should be on the lookout for: Now that we went over every potential reason why you can expect to deal with this issue, let’s go over a series of verified fixes that other affected users have successfully used to get to the bottom of this issue.
1. Repair the game installation
This particular problem is frequently caused by corruption that affects the game’s local installation. Using the Battle.net launcher to do a ‘Scan & Repair‘ operation on Call of Duty Modern Warfare or Call of Duty Warzone should solve the problem in this scenario. After forcing the primary launcher (Battle.Net) to check the game files’ and dependencies’ integrity, several customers who were experiencing the same type of error have reported that the issue was completely fixed. If you haven’t already tried this cure, adhere to the directions below for details on how to start a Warzone game repair process through the in-game Battle.Net settings: If the issue persists, scroll down to the next possible solution below.
2. Restart the installation of the Shaders
It turns out that there is a fatal flaw that causes the installation of the shaders to loop while the progress indicator is frozen at 0%. If this situation applies, restarting the game will have no noticeable effects. Instead, you should use the in-game interface to restart the shaders installation. It’s not unusual for this problem to be caused by a glitched shader cache that is causing the game to crash, according to some users that we’re also dealing with. Fortunately, you can quickly fix this problem by forcing a new Shader installation from the game’s Options menu. Several users who have experienced the ‘Installing shaders to optimize performance during gameplay: In Progress’ error have attested to the effectiveness of this technique. Follow the procedures below to delete & reinstall the Shaders Cache in Call of Duty: Warzone or Call of Duty: Modern Warfare if this scenario appears to apply to your specific circumstance: Move on to the suggested repair below if the issue is still not resolved.
3. Reinstall GPU driver
Some impacted customers claim that you should be prepared to cope with these problems when there is an underlying corruption impacting the GPU driver that is being used when playing the game. By deleting the current GPU drivers using DDU and then reinstalling the most recent compatible version using the dedicated tool from Nvidia or AMD, other customers experiencing the same type of problem have proven that they were able to entirely fix the issue. If this situation applies, removing your existing collection of GPU drivers and using the DDU (Display Driver Uninstaller) tool to remove any leftover GPU drivers before installing the most recent version that is compatible with your model should solve the issue. Follow the guidelines below for detailed details on how to achieve this: Note that the steps listed below apply to both AMD and Nvidia GPUs. If the problem is still not fixed, move down to the next method below.
4. Clear the DirectX Shader Cache
It turns out that the DirectX Shader Cache may also be the cause of this specific problem. It has been proven by several Call of Duty gamers that they were able to resolve the problem by deleting the DXCache first and then emptying the DirectX Shader cache using the disk Cleanup software. If none of the methods above have proven to be successful in your case, you should start by deleting the DX cache manually, then perform a complete cleanup in the DirectX Shader cache. Note: As an optional but recommended step, you should also delete any config and ppsod.dat files present inside the players directory of Call of Duty. For complete instructions on how to do this, follow the steps below: If the same kind of issue is still occurring, move down to the next method below.
5. Reinstall the game
The next step you should do is to perform a potential game file corruption issue investigation if none of the aforementioned fixes have worked for you. Reinstalling the game, according to several users who were also unable to launch it, solved the issue for them. The specific methods for reinstalling the game will, of course, vary depending on whether you’re trying to play Call of Duty: Modern Warfare or Call of Duty: Warzone on a desktop or laptop computer. Fortunately, whether you’re playing on a console or a PC, our series of sub-guides will lead you through the process of reinstalling the game. Reinstall Call of Duty to fix a corrupt game-file issue, and then follow the sub-guide that applies to your preferred platform:
5.1. Reinstall the game on your PC
Start by removing the game from the Programs and Features menu on a PC. This method should be chosen over doing an integrity check (repair install) via the game launcher because it will also delete any temporary files that might be causing the problem. To reinstall Call of Duty, adhere to the directions below:
5.2 Reinstall the game on PlayStation 4
You must first uninstall the game from the Library menu on a Playstation 4 system before reinstalling it in the same place (but from a different tab). The whole directions for achieving this are as follows:
5.3 Reinstall the game on Playstation 5
The procedures for uninstalling the game and reinstalling it will be very different from Playstation 4 because Sony updated the operating system for Playstation 5: Reinstalling Call of Duty on the new Playstation 5 system is as follows:
5.4. Reinstall the game on Xbox One and Xbox Series X
The instructions for reinstalling the game on Xbox One and Xbox Series X are nearly identical because both systems essentially share the same OS. What you must do is as follows:
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