What Is "Errfix.3dsx"? How to Fix the 3DS Homebrew Launcher Error

If you’ve been diving into the Nintendo 3DS homebrew scene, you might have stumbled across a frustrating error screen—often a bright red or yellow crash dump—that mentions a file called Errfix.3dsx. Or perhaps you’ve seen it recommended on forums like GBAtemp or Reddit.

Run the Utility: Once launched, the utility will automatically attempt to repair the missing Mii data.

He booted up the Homebrew Launcher—the old grid, still as clunky as he remembered—and scrolled past FTPD, past CHMM2, past GodMode9. There it was. An icon that didn’t render properly: just a gray square with a question mark.

Restart the Game: Once the program has finished running, close it and boot up Tomodachi Life. Your Miis should now have their faces back. Pro-Tips & Troubleshooting

Installation

  1. Download the latest release of Errfix from a trusted source (check GBAtemp’s official thread—avoid random "auto-download" sites).
  2. Insert your SD card into your PC.
  3. Place the errfix.3dsx and errfix.smdh files into the /3ds/ folder on the root of your SD card. The path should look like: SD:/3ds/errfix/errfix.3dsx (or directly in the /3ds/ root depending on version).
  4. Safely eject the SD card and re-insert it into your 3DS.

Errfix.3dsx Guide

What Is "Errfix.3dsx"? How to Fix the 3DS Homebrew Launcher Error

If you’ve been diving into the Nintendo 3DS homebrew scene, you might have stumbled across a frustrating error screen—often a bright red or yellow crash dump—that mentions a file called Errfix.3dsx. Or perhaps you’ve seen it recommended on forums like GBAtemp or Reddit.

Run the Utility: Once launched, the utility will automatically attempt to repair the missing Mii data. Errfix.3dsx

He booted up the Homebrew Launcher—the old grid, still as clunky as he remembered—and scrolled past FTPD, past CHMM2, past GodMode9. There it was. An icon that didn’t render properly: just a gray square with a question mark. What Is "Errfix

Restart the Game: Once the program has finished running, close it and boot up Tomodachi Life. Your Miis should now have their faces back. Pro-Tips & Troubleshooting Download the latest release of Errfix from a

Installation

  1. Download the latest release of Errfix from a trusted source (check GBAtemp’s official thread—avoid random "auto-download" sites).
  2. Insert your SD card into your PC.
  3. Place the errfix.3dsx and errfix.smdh files into the /3ds/ folder on the root of your SD card. The path should look like: SD:/3ds/errfix/errfix.3dsx (or directly in the /3ds/ root depending on version).
  4. Safely eject the SD card and re-insert it into your 3DS.
Back
Top