By
Lidia Rozo
2023-11-09 02:12:35

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Discover effective solutions on How To Fix Modern Warfare 3 Campaign Not Launching campaign with our comprehensive guide.


Having trouble launching the Modern Warfare 3 campaign? Don't worry, we've got you covered! In this guide, we'll walk you through some simple steps to help resolve the error code 0x00001338(12488)N and get your game up and running smoothly. So let's dive right in!

How To Fix Modern Warfare 3 Campaign Not Launching


Step 1: Verify Game Files


To start off, let's make sure there are no corrupt files causing the issue. Follow these steps:


  • 1. Open Steam or Battle.net.
  • 2. Go to the game library and locate Modern Warfare 3.
  • 3. Right-click on the game and select "Properties."
  • 4. Look for an option to verify integrity or scan for corrupt files.
  • 5. Let the scanning process complete, and if any issues are found, allow it to fix them.


Modern Warfare 3 is a popular first-person shooter game that was released in 2011. Since then, it has garnered a large fan base and continues to be played by many gamers worldwide. However, like any other game, it is not without its flaws and issues. One common problem that players encounter is the inability to launch the campaign mode of the game.

Step 2: Run as Administrator


Sometimes running the game with elevated permissions can resolve launch issues. Here's how you can do it:


  • 1. Locate the Modern Warfare 3 executable file (usually found in the game installation folder).
  • 2. Right-click on it and select "Run as Administrator".
  • 3. If prompted by User Account Control, click "Yes" to grant necessary permissions.


Running the game as an administrator can give it the necessary permissions to access certain files and resources it needs to launch successfully. This step is particularly useful if you are experiencing issues related to file permissions or access rights.

Step 3: Update Graphics Drivers




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Outdated graphics drivers can often cause compatibility problems with games. To update your graphics drivers, follow these steps:


  • 1. Visit the manufacturer's website of your graphics card (e.g., NVIDIA, AMD, Intel).
  • 2. Look for a section dedicated to driver downloads or support.
  • 3. Enter your graphics card model and operating system details.
  • 4. Download the latest driver version available for your system.
  • 5. Once downloaded, run the installer and follow the on-screen instructions.


Graphics drivers play a crucial role in ensuring smooth gameplay and proper rendering of graphics in games. Outdated or incompatible drivers can lead to crashes, glitches, and even prevent the game from launching altogether. Updating your graphics drivers to the latest version can often resolve such issues.

Step 4: Disable Antivirus Software


Sometimes antivirus software can interfere with game launches due to false positives or blocked permissions. Temporarily disabling it can help identify any conflicts. Here's what you should do:


  • 1. Locate your antivirus software icon in the system tray (usually bottom-right corner of your screen).
  • 2. Right-click on the icon and look for an option to disable or pause protection.
  • 3. Once disabled, try launching Modern Warfare 3 again.
  • 4. If the game launches successfully, make sure to add an exception for the game in your antivirus settings.

Antivirus software is designed to protect your computer from malicious threats. However, sometimes it can mistake game files for potential threats and block their execution. By temporarily disabling your antivirus software, you can determine if it is causing the issue and add an exception for the game if necessary.

Step 5: Reinstall the Game


If all else fails, reinstalling Modern Warfare 3 may be necessary to ensure a fresh installation with up-to-date files. Follow these steps:


  • 1. Uninstall Modern Warfare 3 from your computer through Steam or Battle.net.
  • 2. Once uninstalled, restart your computer.
  • 3. Reinstall the game by downloading it again from your preferred platform.
  • 4. After installation is complete, try launching the game once more.


Reinstalling the game can often fix any underlying issues that may be preventing it from launching. It ensures that you have a clean installation of the game and eliminates the possibility of corrupted files or settings causing the problem.



We hope these steps have helped you resolve the issue preventing you from launching Modern Warfare 3's campaign mode. It's frustrating when a game you love doesn't work as expected, but with a little troubleshooting, you can often get it up and running smoothly once again. If none of these steps work or if you encounter any other problems, we recommend reaching out to Modern Warfare 3 customer support for further assistance. Happy gaming!


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