Tekken 8

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

Abhimannu Das
Updated On: 
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Here's how you can fix Tekken 8's fatal error on Steam Deck and PC.
Players have figured out a solution for Steam Deck but the PC version of the game is still plagued by the error.

Tekken 8 is out now and a large number of players are affected by the dreaded “fatal error” that has rendered the game unplayable. If you are looking for a fix, we have some good news and bad news. Players have figured out how to resolve the issue on Steam Deck but if you are on PC, you might have to wait for an official hotfix/patch before you can play the game if you are experiencing the fatal error in Tekken 8.

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

A Proton Hotfix for Steam Deck is a special, targeted update to Valve's Proton compatibility tool specifically designed to address urgent issues with specific games on the Steam Deck.

Proton Hotfixes are usually not automatically downloaded and applied. Instead, you need to manually select them within a specific game's compatibility settings on Steam Deck. Here's how:

  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, you'll see a dropdown menu. Select Proton Hotfix if available.

  6. Steam Deck will download and apply the Hotfix.

  7. Launch the game and see if the issue is resolved

Applying the Proton Hofix for Tekken 8 fixes the Fatal Error issue for players who are trying to play the game on Steam Deck.

How to Fix the Tekken 8 Fatal Error on PC 

Here are some general fixes that can help you out. If these solutions do not work, you need to wait until Bandai Namco addresses the Tekken 8 fatal error issues officially and pushes out a hotfix or patch.

  • Verify Game Files: This ensures all game files are downloaded and corruption-free. 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  • Update Drivers: Outdated graphics card drivers can cause crashes.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).

  • Restart PC: This clears temporary memory and can sometimes resolve issues.

  • Run as Administrator: Right-click the Tekken 8 executable and select "Run as administrator."

  • Close Background Programs: Resource-intensive background programs can conflict with the game. Close unnecessary programs before launching Tekken 8.


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Abhimannu is a PC esports writer at AFK Gaming. With over seven years of experience in esports journalism, he has worked on a myriad of games and their ecosystems including Valorant, Overwatch and Apex Legends.

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