6 Ways to Fix DEV ERROR 11642 MW2

Have you received DEV ERROR 11642 on MW2? This error may occur when you launch a private lobby with either their friends or bots. This post from MiniTool Partition Wizard offers 6 solutions to the DEV ERROR 11642 MW2 issue.

What Is DEV ERROR 11642 MW2?

MW2, short for Call of Duty: Modern Warfare II, is a popular first-person shooter video game released in 2022 for PlayStation 4, PlayStation 5, Windows, Xbox One, and Xbox Series X/S.

DEV ERROR 11642 is an error on the MW2 and it occurs when players try to launch a private lobby with either their friends or bots. As soon as gamers try to start a private match, the game will load indefinitely and send players back to the lobby screen with the error message.

How to Fix DEV ERROR 11642 MW2

To fix MW2 DEV ERROR 11642, you can try the following ways.

Way 1. Queue for a Public Match

One odd workaround that’s been rumored to help is queueing for a public match, either solo or with your squad, and then backing out as soon as the match starts. You can then try to start up another benchmark test or private match.

Way 2. Set Frame Limit to Unlimited

Some people report that this method works. You can also have a try. Here is the guide:

Open CoD MW2.
Look at the top-right corner of the window, then navigate to Settings (marked as a gear icon).
Choose Graphics from the drop-down menu.
Look for Custom Frame Rate Limit, and then switch the option from Custom to Unlimited.

Tips:

If the Custom Frame Rate Limit is Unlimited already, you can switch it back to Custom. Then, check if the MW2 DEV ERROR 11642 issue is solved.

Way 3. Change Display Mode

The DEV ERROR 11642 MW2 may be caused by the Windowed or Fullscreen Exclusive display mode. You need to switch to the Fullscreen Borderless mode. Here is the guide:

Open the game.
Go to Settings > Graphics.
Look for the Display Mode section, and then make sure you switch the option to Fullscreen Borderless.

Way 4. Turn off On-Demand Texture Streaming

If your internet connection is unstable and frequently suffers packet loss or high ping, it is advised to turn off On-Demand Texture Streaming. Here is the guide:

Open the COD MW2 game.
Go to Settings > Graphics > Quality > Details & Textures.
Find the On-Demand Texture Streaming option and turn it Off.

Way 5. Restart Shaders Optimization

Reinstalling the shaders can solve most technical issues. You can try this method to solve the DEV ERROR 11642 MW2 issue. Here is the guide:

Open the game and go to Settings > Graphics > Display.
Scroll down to find Restart Shaders Optimization and click it.
Select Restart.
Quit the game and launch it again for the shaders to start reinstalling.

Way 6. Repair Game Files

The DEV ERROR 11642 MW2 may be caused by corrupt game files. You can repair the game files in the following way.

On Steam:

Open the Steam client on your computer and navigate to Library.
Right-click Call of Duty Modern Warfare 2 and choose Properties from the drop-down menu.
Switch to the Local Files tab.
Click the Verify integrity of game files option.

On Battle.net:

Open the Battle.net client on your computer.
Click on Call of Duty Modern Warfare 2.
Click the gear icon next to the Play button and choose Scan and Repair from the menu that appears.

Bottom Line

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Linda has been working as an editor at MiniTool for 5 years. She is always curious about computer knowledge and learns it crazily. Her articles are simple and easy to understand. Even people who do not understand computer can gain something. By the way, her special focuses are disk management, data recovery and PDF editing.