Troubleshooting: Dev Error 6065 in Call of Duty Modern Warfare

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Call of Duty Modern Warfare Warzone players face the 6065 development error on PC. Users face problems such as crashes, inability to launch the game, etc. Players get Dev Error 6065 message “DirectX encountered an unrecoverable error”. Follow these steps to fix the error 6065 in Warzone and Modern Warfare.

What causes the Dev Error 6065 on Call of Duty Modern Warfare?

The error is related to the PC game, and it has been seen in several versions of Modern Warfare. If we talk about the possible causes of this problem, there are many of them. For example, your system configuration is not enough to run the game, maybe there is not enough RAM or graphics.

In addition, a problem with graphics properties may also be the cause of this Dev Error 6065. Users have also reported that the game causes the error when it is not running with administrator privileges.

• Insufficient system configuration
• Graphics Properties
• Game profile
• DirectX
• Administrator privileges

How to repair Call of Duty Modern Warfare Dev Error 6065?



Check Windows and update your graphics driver

1. Click Start menu -> Go to settings.
2. Click on Update and Security -> Select Check for updates from the Windows Update option.
3. If an update is available, click Download and Install.

You can also manually check for a driver update by following these steps:

1. Press Windows + X to open the DeepL access menu.
2. Now select Device Manager -> Double-click Display Adapter to expand it.
3. Right-click the active or highlighted graphics card -> Select Update Driver.
4. Select Automatically check drivers -> If an update is available, it is automatically downloaded and installed.
5. Allow the process to complete. Then reboot your system.

Windows Defender firewall whitelisting

Make sure that Battle.net is whitelisted and the Modern Warfare game file to your third-party antivirus program or Windows Defender to run the game correctly.

1. Open Windows Defender from the Start menu.
2. Click Virus and Threat Protection -> Open Virus and Threat Protection Options.
3. Scroll down a bit and select “Add or remove exceptions” under “Exceptions”.
4. Click “Add Exception” -> Select the file or folder you want to exclude.
5. Finally, confirm the task -> Restart your computer.

Scan and Recover Game Files

1. Open the Battle.net client -> Go to your game library.
2. Now click on COD Modern Warfare.
3. Click Settings -> Select Scan and Restore.
4. Click Start Scan -> Wait for the scan to complete.
5. Once it does, the problem will be fixed automatically.
6. Finally, restart the game launcher and try running the game again.

Removing background tasks

If you have several tasks running in the background that you don’t want to continue, you can easily remove them.

1. Open the Task Manager by pressing Ctrl + Shift + Esc.
2. Go to Processes -> Check which processes are consuming the most memory or CPU power.
3. Remove them one by one by selecting the process and clicking End Task.
4. Then restart your computer to update the system.

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