Fix COD Modern Warfare 2 Dev Error 6146

When we discuss engrossing games, compelling plotlines, and breathtaking graphics. The game that quickly rose to the top of every player’s favorite list is Call of Duty: Modern Warfare 2 Dev. Despite the fact that errors and bugs are quite regular in video games, Modern Warfare 2 Dev error 6146 seems to be a common occurrence lately. Let’s investigate the situation and try to offer some troubleshooting techniques and also get to know what causes dev error 6146? So, that the players may feel a little more at ease. Continue reading to fix Modern Warfare 2 dev error 6146.

Fix COD Modern Warfare 2 Dev Error 6146

How to Fix COD Modern Warfare 2 Dev Error 6146

Here, you will get to know about Call of Duty Dev error 6146 and how to fix Modern Warfare 2 Dev error 6146 on PC.

What is Dev Error 6146?

Error code Dev 6164 is a bug that is frequently encountered while playing the very famous Call of Duty: Modern warfare. This error restricts the players from launching the game and also boots players out of the game. Well, we will further get into the root cause of the error but it is mostly because of an issue with the game files. We hope you now got an understanding of What is Dev Error 6146.

What Causes Dev Error 6146?

The error is mostly caused because of the following reasons:

  • Corrupted game file
  • Pending Update
  • Misconfigured internet connection
  • Overclocking
  • Outdated drivers
  • Restrictions on functionality
  • Running background applications

How Dev Error 6146 Looks Like?

As mentioned earlier, Dev Error 6146 is an error message that appears in Call of Duty: Modern Warfare 2. It occurs when the game is unable to load the necessary files or data needed to run the game. The error message may look something like this: Dev Error: 6146 – Data not found or corrupt. Please restart the game.

Also Read: How to Fix Dev Error 6068

How to Fix Modern Warfare 2 Dev Error 6146

Now that you how dev error 6146 looks like. Let’s move on to the troubleshooting methods on how to fix Modern Warfare 2 Dev error 6146.

Method 1: Basic Troubleshooting Methods

Now, before we get into the complex methods, let us see some of the basic methods you should be mindful of.

1A. Troubleshoot Internet Connection

Fixing the internet connection and router can help to resolve Modern Warfare 2 Dev Error 6146. This can be achieved by unplugging the router and modem and then plugging them back in. You can also, follow our guide on How to troubleshoot network connectivity problems on Windows 10.

Wireless router

1B. Restart PC

Restarting the PC can help to resolve any corrupted game files or corrupted game data that may be causing Dev Error 6146 to appear. Read our guide on 6 Ways to Reboot or Restart Windows 10 computer, to know all the steps.

Restart PC

1C. Close Background Apps

Closing the background apps or the applications which are least active, can fix error 6146. Read our guide How to End Task in Windows 10 to close all other background processes on your Windows 10 PC.

right click on it and choose End Task to end it

Method 2: Run Modern Warfare 2 as Administrator

After the basic fix’s methods, running Modern Warfare 2 as Administrator can fix the error. This is because the game needs administrator rights to access specific files and resources. This will grant the game the access it needs to function properly. Here’s how you do it:

1. Right-click on the Call of Duty: Modern Warfare 2 shortcut on the desktop or navigate the installation directory and right-click on it.

2. Now, select the Properties option.

Click on Properties

3. Then, switch to the Compatibility tab and check the box Run this program as an administrator.

Run this program as an administrator option under the Settings section. Fix COD Modern Warfare 2 Dev Error 6146

4. Finally click on Apply and OK.

After doing this, the game should be able to run properly and the Dev Error 6146 should be resolved. If not then hop on to the next method.

Also Read: How Do You Unlink a Call of Duty Account

Method 3: Verify Integrity of Game Files

Verifying Game Files can check the integrity of the game files and also makes sure that any corrupted or missing files are replaced. This can prove to be a great fix for solving the Dev error 6146. Here’s our guide again on How to verify integrity of game files on steam.

verify integrity of game files

Method 4: Update Game

Another method to fix the error is to update the game. If you are playing the game, it is pretty obvious that you are using a Wi-Fi connection for the same. Because it’s a heavily loaded game with a lot of data GB involved. Now, make use of the Wi-Fi to update your game so that you do not get the error and can play without any hassle. To update the game, follow the steps:

1. Launch Steam and navigate to LIBRARY.

Launch Steam and navigate to LIBRARY

2. Now, click on HOME and search for the Call of Duty: Modern Warfare 2.

click on HOME and search for your game. Fix COD Modern Warfare 2 Dev Error 6146

3. Then, right-click on the game and select the Properties… option.

select the Properties… option

4. Now, switch to the UPDATES tab and check if any updates are pending in action. If so, follow the on-screen instructions to download the latest updates.

go to updates in game properties Steam

Also Read: Call of Duty Annual Premium Release 2023

Method 5: Update Device Drivers

Outdated graphics drivers are another factor that might contribute to the MW2 problem 61466. Since the control of the screen display rests completely with graphics drivers. So, if you are using an incompatible one, you will undoubtedly experience the problem. Updates, however, can correct the problem. By referring to our guide on 4 ways to update graphics drivers in windows 10 you can learn how to do so.

update nvidia geforce driver

Method 6: Troubleshoot Overclocking

Overclocking, which can interfere with games, is the practice of operating a computer’s processor faster than its rated maximum. Check your BIOS for the current settings and confirm that the CPU speed is set to the default recommended speed in order to troubleshoot overclocking. Furthermore, check the power settings to make sure that the computer isn’t taking too much power. Once the overclocking has been resolved, the game should no longer present the error code 6146.

Also Read: Fix CoD Black Ops 2 Unhandled Exception Caught Error

Method 7: Reinstall Game

After all the methods if none of them worked in your favor. You are left with no other option but to reinstall the game all over again. Now, to reinstall the game again I know it’s hard to use another 72GB of your Wi-Fi to download it. But just do it as it may solve your error issue. In order to uninstall games from Steam read our guide on how to uninstall Steam Games. Now, to install abide by the steps below:

1. Open the Steam app, by double clicking on the Steam shortcut icon.

2. Now select Library.

Launch Steam and navigate to LIBRARY

3. Then, find and select Call of Duty: Modern Warfare 2.

4. To download and install the game, choose the Install option.

Now, even after all these basic to extreme methods, you are still facing the error code. Then my friend heeds to your mother’s advice and leave the system for once and go outdoors for some fresh air. But wait, since you are here at Techcult, we can’t let you go empty-handed. There’s still a way to get your MW2 Dev error 6146 get fixed. Head on to the next method for that.

Method 8: Contact Activision Support

After losing all hope, the only place you can go to is Support.activision. Reach out to them with your issue and they will assist you with it. Make sure you tell them about the issues you are facing so that you can get guidance on how to fix them.

Contact Activision Support. Fix COD Modern Warfare 2 Dev Error 6146

Frequently Asked Questions (FAQs)

Q1. Why can’t I play MW2 multiplayer?

Ans. There are several possible reasons why you may be unable to play MW2 multiplayer. One possible reason is that your game may be out of date.

Q2. Do you need MW2 to install IW4x?

Ans. Yes, you need a copy of Modern Warfare 2 in order to install and play IW4x. You can use any version of the game, including a used copy or a torrent. However, we do not condone pirating the game and recommend purchasing a legal copy.

Q3. Can MW2 run on Windows 10?

Ans. Yes, MW2 can run on Windows 10. The system requirements for MW2 are a Windows operating system of Windows XP or higher, 2 GB RAM, and a processor of 2.4 GHz Dual Core or better. As long as your computer meets these requirements, it should be able to run MW2.

Q4. Is MW2 remastered still free?

Ans. No, Modern Warfare 2 Remastered is no longer free. The game was released as a free title on the PlayStation Store in April 2020, but the free version was later removed. The full version of the game is now available for purchase.


That’s all for Modern Warfare 2 Dev Error 6146, troubleshooting fixes. We hope we were able to help you figure out how to fix the issue. Do let us know in the comment section if you have any suggestions or queries.

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