How to fix :dev error 6144 ?

Instructions for Fixing Errors Dev Error 6144

Call of Duty: Modern Warfare is a popular first-person shooter game that has been around for years. However, players have been experiencing a lot of errors lately, and one of the most common ones is Dev Error 6144. This error can be frustrating, especially if you’re in the middle of a game. Fortunately, there are some steps you can take to fix it. In this article, we’ll go over some of the most effective methods for resolving Dev Error 6144.

What is Dev Error 6144?

Before we dive into the solutions, let’s first understand what Dev Error 6144 is. This error is a DirectX-related issue that occurs when the game is unable to initialize the graphics system. It can happen due to a variety of reasons, such as outdated drivers, corrupted game files, or conflicts with other software running on your computer.

Method 1: Update Your Graphics Drivers

One of the most common causes of Dev Error 6144 is outdated graphics drivers. To fix this, you need to update your drivers to the latest version. Here’s how:

Step 1: Identify Your Graphics Card

The first step is to identify the graphics card you have installed on your computer. To do this, follow these steps:

  1. Press the Windows key + R to open the Run dialog box.
  2. Type “dxdiag” and press Enter.
  3. Click on the Display tab.
  4. Under Device, you’ll see the name of your graphics card.

Step 2: Download and Install the Latest Drivers

Once you’ve identified your graphics card, you need to download and install the latest drivers. You can do this by visiting the website of your graphics card manufacturer and downloading the latest drivers for your specific card. Alternatively, you can use a driver updater tool to automatically download and install the latest drivers for you.

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Method 2: Verify Game Files

If your graphics drivers are up to date and you’re still experiencing Dev Error 6144, the next step is to verify your game files. Here’s how:

Step 1: Open

Open the app and go to the Call of Duty: Modern Warfare game page.

Step 2: Click on Options

Click on the Options button and select Scan and Repair from the drop-down menu.

Step 3: Start the Scan

Click on the Begin Scan button to start the scan. This will check your game files for any errors or corruption and repair them if necessary.

Method 3: Disable Overclocking

If you’ve overclocked your graphics card or CPU, it could be causing Dev Error 6144. Overclocking can cause instability and conflicts with other software, so it’s best to disable it and see if that resolves the issue. Here’s how:

Step 1: Restart Your Computer

Restart your computer and enter the BIOS settings by pressing the appropriate key (usually F2 or Delete) during startup.

Step 2: Disable Overclocking

Find the Overclocking or CPU settings in the BIOS and disable them. Save the changes and exit the BIOS.

Method 4: Disable Third-Party Software

If you have any third-party software running on your computer, it could be conflicting with Call of Duty: Modern Warfare and causing Dev Error 6144. To fix this, you need to disable any unnecessary software and see if that resolves the issue. Here’s how:

Step 1: Open Task Manager

Press Ctrl + Shift + Esc to open Task Manager.

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Step 2: Disable Unnecessary Software

Go through the list of running processes and disable any software that you don’t need. This includes antivirus software, firewalls, and any other software that could be interfering with the game.


Dev Error 6144 can be a frustrating issue, but it’s not impossible to fix. By following the methods outlined in this article, you should be able to resolve the issue and get back to playing Call of Duty: Modern Warfare without any problems. Remember to keep your graphics drivers up to date, verify your game files, disable overclocking, and disable any unnecessary software. Good luck!

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