How to Fix Tekken 8’s Fatal Error on Steam Deck and PC

Tekken 8 has been released and many players are encountering the frustrating “fatal error” issue, preventing them from playing the game. If you’re experiencing this problem, there are specific steps you can take to resolve it on the Steam Deck, while PC players may have to wait for an official hotfix or patch.

How to Fix Tekken 8’s Fatal Error on Steam Deck

A Proton Hotfix for Steam Deck is a targeted update to Valve’s Proton compatibility tool, designed to address urgent issues with specific games on the Steam Deck. Here’s a step-by-step guide on applying the hotfix:

  1. Open your Steam Library on Steam Deck.
  2. Select the game you’re having trouble with.
  3. Click on the gear icon in the game’s listing.
  4. Go to Properties > Compatibility.
  5. Under Compatibility tools, select Proton Hotfix from the dropdown menu if available.
  6. Steam Deck will download and apply the Hotfix.
  7. Launch the game and check if the issue is resolved.

Applying the Proton Hotfix for Tekken 8 resolves the Fatal Error issue for players using the game on Steam Deck.

How to Fix the Tekken 8 Fatal Error on PC

For PC players encountering the fatal error, there are some general fixes you can try:

  • Verify Game Files: Ensure all game files are downloaded and free from corruption. On Steam, right-click Tekken 8 in your library, select Properties > Local Files > Verify integrity of game files.
  • Update Drivers: Outdated graphics card drivers can cause crashes. Update your GPU drivers (Nvidia, AMD) and chipset drivers (usually from your motherboard manufacturer’s website).

If these solutions do not work, PC players may need to wait until Bandai Namco addresses the Tekken 8 fatal error issues officially and pushes out a hotfix or patch.


Q: I’m encountering the fatal error on Tekken 8. Will these fixes work for other platforms?

A: The Proton Hotfix method is specific to the Steam Deck, while the general fixes for PC may apply to other platforms. Always check for platform-specific solutions if you are encountering issues on other systems.

Q: Will applying the Proton Hotfix for Tekken 8 affect other games on my Steam Deck?

A: No, the Proton Hotfix is designed to specifically address urgent issues with Tekken 8 and will not affect other games on your Steam Deck.

Q: When can we expect an official fix from the game developers for the PC version of Tekken 8?

A: While the timeline for a hotfix or patch from Bandai Namco is not certain, they are likely working to address the fatal error issue for PC players. Keep an eye on official announcements and forums for updates.


Experiencing a fatal error in Tekken 8 can be frustrating, but following these steps can help you resolve the issue on the Steam Deck or PC. For PC players, patience may be required as you wait for an official hotfix or patch from the game developers. Always ensure to check for platform-specific solutions as well.

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