Yuzu Emulator Error Codes – Fixes & Troubleshooting (2025)

If you’re using Yuzu Emulator, you’re probably doing it for better performance, mods, or portability. But like any emulator, Yuzu isn’t perfect—and many users run into cryptic error codes that make gameplay frustrating.

Even with the right files, errors can arise due to bad game dumps, outdated keys, shader crashes, or graphic driver issues. Don’t worry if you faced any error, you can fix it with this detailed guide on each error code.

⚠️ Common Yuzu Error Codes and Their Fixes

Here’s a breakdown of the most frequently reported error codes on Yuzu:

🔴 Error 0007-0000 – Missing Firmware Files

What it means: Yuzu can’t find essential firmware components from your Switch.

Why it happens:

  • You didn’t deactivated the full firmware from your device.
  • Or Files are missing from the system folder.

Fix:

C:\Users\YourName\AppData\Roaming\yuzu\nand\system
  • Reboot Yuzu and try again.

🔴 Error 0008-0000 – Invalid or Outdated Keys

What it means: Yuzu can’t decrypt your game because the key files are too old or broken.

Fix:

  • Re-dump the prod.keys and title.keys from your current Switch firmware.
  • Replace them at: 
C:\Users\YourName\AppData\Roaming\yuzu\keys
  • Ensure they match the firmware version required by your game.

🔴 Error 0009-0024 – Incompatible Update or DLC

What it means: You installed a game update or DLC that doesn’t match the base version.

Fix:

  1. Uninstall existing updates/DLC.
  2. Download and install the correct NSP/XCI versions.
  3. In Yuzu: Right-click the game > Properties > Add-ons tab and enable only the necessary ones.

🔴 Error 0011-0001 – Shader Cache Corruption

What it means: Your shader cache is either corrupted or incompatible.

Fix:

  1. Navigate to: shellCopyEdit%appdata%\yuzu\shader
  2. Delete the cache folder for the affected game.
  3. Relaunch the game to regenerate shaders.

Pro Tip: Shader stutter will occur temporarily as Yuzu rebuilds them.

🔴 Error 0012-0002 – Graphics Driver Crash (OpenGL/Vulkan)

What it means: Your renderer crashed due to outdated GPU drivers or incompatible settings.

Fix:

  • Update your GPU drivers (NVIDIA/AMD).
  • Try switching from OpenGL to Vulkan or vice versa:
Emulation > Configure > Graphics > API
  • Disable “Asynchronous GPU Emulation” if Vulkan is unstable.

🔴 Error 0001-0015 – Broken Save or User Profile

What it means: Yuzu encountered bad save data or a corrupted user profile.

Fix:

  • Delete the specific game save from:
%appdata%\yuzu\nand\user\save
  • If necessary, create a new user profile from Yuzu’s user settings.

🔴 Error 0002-0000 – Bad Game Dump

What it means: The game file is incomplete, damaged, or unsupported.

Fix:

  • Re-dump the game using nxDumpTool on your Switch Emulator.
  • Make sure the base + update + DLC files are intact.

🔴 Error 2002-0001 – Memory Allocation Failure

What it means: Yuzu is running out of RAM or hitting a memory bug.

Fix:

  • Close other RAM-intensive apps.
  • Use at least 8 GB of RAM (16 GB is ideal).
  • Turn off cheats and heavy mods.

🔴 Error 2002-3005 – Game Initialization Crash

What it means: Yuzu failed to start the game due to deep-level issues like:

  • Conflicting mods
  • Corrupted config
  • Bad updates

Fix:

  1. Disable all mods: Right-click game > Properties > Uncheck all mods.
  2. Use the latest Mainline or Early Access Yuzu build.
  3. Reset settings: delete the config folder at: %appdata%\yuzu\config

Extra Tips for Stable Yuzu Performance

  • Enable Multicore CPU Emulation: For games like Super Mario Odyssey, this boosts performance.
  • Use Disk Shader Caching: Saves previously compiled shaders and reduces stutter.
  • Prefer Vulkan (if stable): Vulkan generally performs better than OpenGL on modern GPUs.
  • Avoid Third-Party Mods: Always check mod compatibility with your Yuzu version.

If nothing is working, try installing a fresh Yuzu Emulator from official source.

Recommended System Specs for Smooth Emulation

If you are still having issues while emulating Nintendo on Yuzu, you may be lacking the required specs. Compare your system specs with the given below.

ComponentMinimumRecommended
CPUIntel i5 8600 / Ryzen 5 3600i7 10700 / Ryzen 7 5800X
GPUGTX 1060 / RX 580RTX 2060 / RX 6700 XT
RAM8 GB16 GB
StorageSSD preferredNVMe SSD

FAQs

Q: Is it legal to use Yuzu?

A: Yes, but you must dump games, keys, and firmware from your own Nintendo Switch.

Q: Can I fix “black screen” issues without error codes?

A: Try clearing shader cache and switching between Vulkan/OpenGL. Also check for incompatible updates.

Q: Can I use Yuzu on a laptop?

A: Yes, if your laptop meets the hardware requirements, especially GPU and cooling capabilities.

Final Thoughts

Yuzu is a fantastic emulator—but it needs proper setup. By understanding these error codes and their solutions, you can enjoy Nintendo Switch games at higher resolutions, better frame rates, and with unique mod features.

Make sure you’re always using the latest stable build, updating your keys and firmware, and keeping a clean environment free of corrupted saves and mismatched files.