How To Fix COD Modern Warfare Dev Error 6065 | PC | NEW in 2025!

Are you getting Dev Error 6065 when playing Call of Duty Modern Warfare? At this time, a lot of players are still complaining of this issue from time to time. If you are trying to fix this issue on your own PC, make sure that you read on.

What are the causes for COD Modern Warfare Dev Error 6065?

There are a number of possible reasons for Call of Duty Modern Warfare Dev Error 6065. Let’s discuss each of these factors below.

Outdated graphics drivers.

If you find Call of Duty Modern Warfare crashing or showing Dev Error 6065, the most likely problem is caused by old or outdated graphics drivers. The good thing is, this is easily fixable on your end. All you have to do is to check for the latest drivers for your GPU and you’re good to go.

If you’ve already updated your GPU though and the issue persists, it may be caused by something else.

PC hardware limitations.

For some players, COD Modern Warfare Dev Error 6065 shows up because their machine is struggling and can’t keep up with the game. Others need to upgrade their hardware, especially the CPU and GPU. 

Below are the minimum system requirements for COD Modern Warfare:

  • OS: Windows 7 64-Bit (SP1) or Windows 10 64-Bit
  • CPU: Intel Core i3-4340 or AMD FX-6300
  • RAM: 8GB RAM
  • HDD: 175GB HD space
  • Video: NVIDIA GeForce GTX 670 / GeForce GTX 1650 or Radeon HD 7950
  • DirectX: Requires DirectX 12 compatible system
  • Network: Broadband Internet connection
  • Sound Card: DirectX CompatibleIf your PC meets these requirements but Modern Warfare is lagging, freezing, or keeps showing 6065 Dev Error, consider lowering the graphics settings to their lowest possible configuration.

Corrupted game files.

Games and any other programs can get damaged or corrupted. If Modern Warfare continues to show a dev error despite your PC having met the requirements, it’s possible that the game files may be the cause. To fix broken game files, you may have to repair using the Blizzard application or reinstall the game.

Blizzard app (Battle.net) issue.

Some Call of Duty players encounters issues with their game because of an issue with the Battle.net program or launcher. You can troubleshoot the launcher if repairing the game files fail.

Third party program interference.

Other applications may cause problems with Call of Duty games. If you recently installed a new program before noticing dev error 6065, it may be the reason why your Modern Warfare game is not working properly.

Software issue in PC.

An outdated Windows version may potentially interfere with games. Make sure that you keep your computer’s operating system up-to-date to lessen the chances of encountering bugs.

How to fix COD Modern Warfare Dev Error 6065

Suggested readings:

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