How To Fix COD Modern Warfare Dev Error 6065 | PC | NEW 2020!

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Outdated graphics drivers.

If you find Call of Duty Modern Warfare crashing or showing Dev Error 6065, the most likely problem is caused by old or outdated graphics drivers.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

In a lot of cases, Dev Error 6065 when playing COD Modern Warfare is due to an issue with the PC or with its software. Unlike errors that involve server problems, this one is usually fixable on a user’s end so we hope that any of these solutions will help.

  1. Update everything.

    One of the simple ways to minimize problems when using a computer is keep the software environment updated. This is true whether you have a computer for casual internet browsing use or for gaming. 
    So, what you need to do first to jumpstart your troubleshooting by making sure that games, third party software, and Windows are all updated. 
    In most cases, programs are set to check the internet on their own for updates. However, you can always double check for updates.

  2. Reinstall GPU drivers.

    Sometimes, updating the graphics drivers is not enough to fix game issues. If you’ve already checked for the latest GPU drivers but there’s still a problem, you should consider reinstalling the graphics card drivers to force the system to delete and redownload the drivers. Here’s how to do that:
    -In the search box on the taskbar, enter device manager, then select Device Manager.
    -Right-click (or press and hold) Display Adapter, and select Uninstall.
    -Restart your PC.
    -Windows will attempt to reinstall the driver.

  3. Lower graphics settings of Modern Warfare.

    For some people, doing a simple graphics settings adjustment is the key to fixing Dev Error 6065. If you continue to experience this problem whenever you load or play COD Modern Warfare, it’s probably due to the fact that your system is straining to run it. To see if that’s the case, go into the game’s Settings menu and bring down all graphics settings to their lowest. 
    In particular, try to disable the Cache Spot and Cache Sun Shadows settings.

  4. Manually update Modern Warfare.

    This solution was shared by one user in official Activision forum. This potential solution deletes individual files within the main Call of Duty Modern Warfare installation folder. Here’s how it’s done:
    -Close Call of Duty Modern Warfare game if you have it running.
    -Browse to your main Call of Duty Modern Warfare installation folder. The default is usually located in C:\Program Files (x86) but it can be different if you have a different installation path.
    -Once you’ve found the Call of Duty Modern Warfare folder, open it.
    -Delete all files within the folder except Blizzardbrowser, Data, and Main.
    -Restart the game by launching it from Battle.net client.
    -Once you get the error saying that the game is corrupt, proceed with the update option.

  5. Delete Modern Warfare Data Folder.

    The other modified way to force the game to update itself is by deleting only the Data folder and leaving the rest of the folders and files intact. Here’s how:
    -Close Call of Duty Warzone game if you have it running.
    -Browse to your main Call of Duty Modern Warfare installation folder. The default is usually located in C:\Program Files (x86) but it can be different if you have a different installation path.
    -Once you’ve found the Call of Duty Modern Warfare folder, open it.
    -Delete the Data folder.
    -Restart the game by launching it from Battle.net client.
    -Once you get the error saying that the game is corrupt, proceed with the update option.

  6. Delete Blizzard Battle.net app.

    If you still have Dev Error 6065 at this point, it’s not a bad idea to try and delete Blizzard launcher or Battle.net application. This is going to take care of any issue with the program that may be affecting Modern Warfare.

  7. Reinstall Modern Warfare.

    If none of the solutions in this guide has helped, you have to other choice but to reinstall Modern Warfare. Keep in mind that redownloading the game is hefty so make sure that you have the time and connected to a fast network.

Suggested readings:

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