Fix Warzone Fatal Error, Disc read error on Windows PC

If you see the Fatal Error, Disc read error while playing Warzone, this article may help you fix it. There are many reasons why you are receiving the Fatal Error, Disc read error in Warzone, like the corrupted display drivers, a third-party conflicting app or software, etc.

Why do I keep getting the fatal error in Modern Warfare?

The most common cause of fatal error in Modern Warfare is corrupted or outdated drivers. Apart from that, there are other causes too. Some users have reported that the error was occurring due to Malwarebytes, whereas some stated that third-party software was the culprit.

Fix Warzone Fatal Error, Disc read error on Windows PC

If you are encountering Warzone Fatal Error, Disc read error, you can try the following fixes in no particular order and see if your issue gets fixed.

1. Update your graphics card driver
2. Rebuild your game files
3. Verify the integrity of the game files
4. Disable the Sonic Studio Virtual Mixer
5. Disable NVIDIA In-game Overlay
6. Turn off Malwarebytes or your antimalware software
7. Turn off HDR
8. Uninstall the Blitz app
9. Turn off Discord Overlay
10. Disable On-demand Texture Streaming in your Game Settings
11. Run ChkDsk
12. Uninstall and reinstall the game

Let’s see all these fixes in detail.

1] Update your graphics card driver

One of the causes of this issue is the corrupted or outdated graphics card driver. Therefore, we suggest you update your graphics card driver and see if it helps. When it comes to updating the graphics card driver, you can follow any of the below-mentioned methods:

1. You can update the graphics card driver via the Windows Optional Updates feature.
2. You can visit the manufacturer’s website, download the latest version of your graphics card driver, and install it manually. But before you run the installer file, you have to uninstall the current version of your graphics card driver from the Device Manager.
3. Update the graphics card driver from the Device Manager. The steps for the same are listed below:
   • Press Win + R keys. This will open the Run command box.
   • Type devmgmt.msc and click OK. Device Manager will appear on your screen.
   • In the Device Manager, expand the Display adapters node.
   • Right-click on your graphics card driver and select Update driver.
   • Now, click on the Search automatically for drivers option. After that, Windows will install the latest version of your graphics card driver automatically.

After updating your graphics card driver, restart your computer and see if it fixes the problem.

2] Rebuild your game files

Rebuild the COD Warzone game files and see if this helps. Follow the below-listed instructions to rebuild your game files:

1. Open the Call of Duty Modern Warfare folder. If you do not know the folder location in the File Explorer, open the Blizzard Battle.net client and then select the Call of Duty game from the left pane. Now, click on the Options drop-down menu and select Show in Explorer.
2. Delete all the files. Do not delete the folders.
3. Again, open the Blizzard Battle.net client and select the Call of Duty game.
4. Go to “Options > Scan and Repair.”
5. Wait till the process gets completed.

Now, launch the game. It will start downloading the missing files automatically. After the download process gets completed, check if the error is occurring again or not.

3] Verify the integrity of the game files

This solution is for the users who have installed the Call of Duty: Warzone game from the Steam Client. Verify the integrity of the game files and see if this fixes the problem. To do so, go through the following instructions:

1. Open the Steam Client and go to Library.
2. Right-click on the COD game and select Properties.
3. Select the Local Files tab.
4. Now, click on the Verify Integrity of Game Files option.

4] Disable the Sonic Studio Virtual Mixer

If you have an ASUS laptop, you may have Sonic Studio Virtual Mixer installed on it. According to some users, the Sonic audio suite was causing the problem. After disabling it, the problem was fixed.

1. Launch the Control Panel.
2. Select Large icons in the View by mode.
3. Click Sound.
4. Under the Playback tab, right-click on the Sonic Studio Virtual Mixer speaker and select Disable.

If this does not fix the problem, try the next solutions.

5] Disable NVIDIA In-game Overlay

If you have the NVIDIA graphics card, you can try disabling the In-game Overlay in NVIDIA Geforce Experience and see if it brings any changes.

Go through the following instructions:

1. Right-click on the NVIDIA icon in the system tray and select NVIDIA Geforce Experience.
2. Log into your NVIDIA account (if you are prompted to do so).
3. Click the gear-shaped icon to open Settings.
4. Now, select the GENERAL category from the left side.
5. Turn off the button next to IN-GAME OVERLAY.

6] Turn off Malwarebytes or your antimalware software

Some users have reported that the error was fixed when they turned off Malwarebytes. If you have installed Malwarebytes or any other antimalware software on your system, disable it and check if you can play the game. If this fixes the problem, you can disable the antimalware software during the gameplay and turn it on again after exiting the game.

7] Turn off HDR

The issue might be occurring if HDR is enabled on your device. You can check this in your Windows 11/10 Settings. If you find it enabled, disable it and check if it fixes the issue.

8] Uninstall the Blitz app

Some users have found the Blitz app the culprit of the problem. If you have installed the Blitz app on your system, uninstalling it may help. You can uninstall the Blitz app from the Control Panel or Windows 11/10 Settings.

9] Turn off Discord Overlay

As we have explained previously in this article, one possible cause of this problem is the conflicting third-party applications. It might be possible that the issue is occurring due to the Discord Overlay feature. If this is the case with you, disabling the Discord Overlay will fix the problem.

The steps are listed below:

1. Launch the Discord app.
2. Open its Settings.
3. Scroll down the menus on the left side and select Game Overlay.
4. Turn off the switch next to Enable in-game Overlay.

10] Disable On-demand Texture Streaming in your Game Settings

Sometimes the On-demand Texture Streaming crashes the Warzone game and causes other errors. If you have enabled this feature, disabling it can fix the issue. The steps to turn off the On-demand Texture Streaming in Warzone are as follows:

1. Launch the Warzone game.
2. Open its Settings.
3. Select the Graphics tab.
4. Click on the On-demand Texture Streaming drop-down menu and select Disabled.

11] Run ChkDsk

Run ChkDsk and see if that helps in any way.

To run Check Disk on your System Drive (C), using the command line, type the following and hit Enter:

chkdsk /f C:

If required, restart your computer.

11] Uninstall and reinstall the game

If none of the above solutions fixed your issue, uninstalling and reinstalling the game is the last option.

How do I fix the disc read error Warzone on Xbox One?

First, you can try disabling your antivirus or antimalware program and see if it helps. If the error still occurs, there might be third-party software triggering the error. Some users have reported that the error was occurring due to the Blitz app. Uninstalling and reinstalling the Warzone game has fixed the problem of many users. You can also try this.

Hope this helps.

Read next: Fix Modern Warfare Warzone’s High CPU Usage on PC.