MHW Error Code 5038f-MW1: Troubleshooting Guide and Solutions

MHW Error Code 5038f-MW1

Monster Hunter World is a thrilling and immersive game that pits players against formidable creatures in epic battles. However, encountering error codes can be frustrating and disrupt your gaming experience. One such error code is 5038f-MW1, which often prevents players from joining sessions. In this article, we will explore the causes behind the Monster Hunter World error code 5038f-MW1 and provide effective solutions to resolve the issue.

Additionally, we will address the relevant topic of “Fatal D3D Error in Monster Hunter Rise” to cater to players facing this particular error. So, let’s dive in and solve the error code conundrum!

Understanding the Monster Hunter World Error Code 5038f-MW1

When players encounter the “Failed to join the session. Error code: 5038f-MW1” message, it signifies a connectivity issue that prevents them from joining multiplayer sessions. Understanding the possible causes of this error will help in implementing the appropriate solutions. Here are some common culprits:

  • Network Configuration: The network settings on your console or PC may be interfering with the connection to the Monster Hunter World servers.
  • Router Settings: Specific router settings, such as the firewall or NAT configuration, can hinder proper communication with the game’s servers.
  • Steam Overlay: Steam users may experience conflicts with the game’s overlay feature, leading to the error code 5038f-MW1.

Solution for Console Users: Add Your Console to the DMZ in Your Router

Console users can follow these steps to add their console to the DMZ (Demilitarized Zone) in their router settings, which grants it unrestricted access to the internet:

PlayStation 4 Users:

  1. Access your router’s configuration page by entering its IP address in a web browser.
  2. Locate the DMZ settings, usually found under the “Advanced” or “Security” section.
  3. Enable the DMZ and enter your PlayStation 4’s IP address.
  4. Save the changes and restart your router and console.

Xbox One Users:

  1. Open a web browser on a device connected to the same network as your Xbox One.
  2. Enter your router’s IP address to access its settings.
  3. Look for the DMZ settings, typically located in the “Advanced” or “Security” section.
  4. Enable the DMZ and enter your Xbox One’s IP address.
  5. Save the changes and restart your router and console.

Part 3: Solution for Steam Users: Disable Steam Overlay and Other Settings for the Game

If you’re playing Monster Hunter World on Steam, try disabling the Steam Overlay and adjusting other settings to resolve the error code 5038f-MW1. Follow these steps:

  • Open the Steam client and go to your game library.
  • Right-click on Monster Hunter World and select “Properties.”
  • In the Properties window, navigate to the “General” tab.
  • Uncheck the “Enable the Steam Overlay while in-game” option.
  • Click on the “Set Launch Options” button and enter the following command: -nofriendsui -udp
  • Click “OK” to save the changes.
  • Launch the game and check if the error code 5038f-MW1 still persists.

Part 4: Fatal D3D Error in Monster Hunter Rise

While troubleshooting the Monster Hunter World error code 5038f-MW1, it’s essential to address another related issue: the “Fatal D3D Error in Monster Hunter Rise.” This error typically occurs due to outdated or incompatible graphics card drivers. To resolve this error:

  1. Visit the official website of your graphics card manufacturer (e.g., NVIDIA, AMD, Intel).
  2. Download the latest driver for your specific graphics card model and operating system.
  3. Install the downloaded driver and follow the on-screen instructions.
  4. Restart your computer and launch Monster Hunter Rise to check if the error has been resolved.


Encountering the Monster Hunter World error code 5038f-MW1 can be frustrating, but with the right solutions, you can swiftly get back to hunting monsters with friends. By understanding the causes behind the error and following the recommended troubleshooting steps for console and Steam users, you can overcome the connectivity issues.

Additionally, addressing the “Fatal D3D Error in Monster Hunter Rise” ensures a smooth gaming experience. So, implement these solutions and get ready to embark on thrilling adventures in the Monster Hunter universe once again!

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