Tekken 8 fatal error – how to fix UE Polaris game has crashed with our 8 methods

Hit by a Tekken 8 fatal error?

The latest fighting game just dropped and we praised its excellent combat in our Tekken 8 review. But the players’ enthusiasm took a hit when a ‘fatal UE-Polaris Game has crashed’ error crashed PCs.

If you haven’t been affected, here’s how long Tekken 8 is and a character guide on Azucena.

How to fix Tekken 8 ‘UE Polaris Game has crashed’ in 8 ways

If Tekken 8 on your PC or Steam Deck is bogged down by the ‘UE-Polaris Game has crashed’ fatal error, we have some fixes for you. Players on Reddit are frustrated as they aren’t able to access any of the game’s modes. Some of them worked right during the Tekken 8 demo, meaning that it isn’t just a recent error. Here are some steps to fix the UE Polaris game crash in Tekken 8:

• Check for the latest Windows updates – On Windows 11, you can do this by heading to Settings and simply typing Windows update in the search bar. A newer build should help you combat this error. Ensuring that you have a steady internet connection is another option when it comes to errors.
• Look for new GPU driver updates – Outdated GPU drivers can also cause this error so be sure to check your graphics card manufacturer sites (NVIDIA, AMD, Intel) for the latest version.
• Restore your PC to factory settings – Overclocking is also preventing some machines from running Tekken 8 so try running the game at the default clock speeds. This is odd because outside the errors, the game has clearly been optimized to run on most machines, not just high-end PCs. Switching from Full Screen to Borderless in Tekken 8 appears to lower the load on the GPU so try that out as well.
• Verify Tekken 8’s game files on Steam – Verifying integrity of game files can also help with the issue. The game will automatically update if there are any missing files. Reddit user Shavark noted that this fixed the error for them.
• Turn off your firewall and antivirus – While we don’t recommend doing this during normal operation, try this just before launching Tekken 8. Some players report that this resolved the issue.
• Run Tekken 8 in Windows 8 compatibility mode – Right-click the game file in Steam App’s Common folder location and head to ‘Properties.’ Next, Head to the ‘Compatibility’ tab and pick ‘Windows 8’ in the dropdown menu. Switching to Administrator mode while playing the game can help as well. This should hopefully let you play Tekken 8.
• On Steam Deck, use Proton hotfix – Players reported using this all the way back when the Tekken 8 demo was out. In Steam OS, go to Tekken 8. Then to the far right of the Play button, click the ‘Settings’ icon, then head to ‘Properties.’ Click ‘Force Compatibility’ and select ‘Proton Hotfix’ in the dropdown menu. This will download the hotfix. It’ll help you get back into Online Ranked matches.
• Try using DX12 while running Tekken 8 – Right-click Tekken 8 in your Steam library, head to Properties, and type -dx12 in the launch options. This could fix the issue.

What causes the ‘UE Polaris Game has crashed’ fatal error in Tekken 8

It appears to randomly affect users on PC and Steam Deck. Hovering over Asuka Kazama in the game’s Arcade Quest mode also seems to cause this error. Considering that the game just launched, it might also just be a matter of waiting for the server-side issues to be resolved. Tekken 8 director Katsuhiro Harada noted that these errors are a widespread issue so expect them to be resolved quickly. Once the servers fixed, you should be able to dive back in and continue Jin Kazama’s journey.

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We’d advise against uninstalling and reinstalling Tekken 8

Just waiting it out should help you resolve the issue.

That covers the Tekken 8 fatal error. If you aren’t facing this issue anymore, check out the Tekken 8 character list for a glimpse at all the fighters. And here’s how to use rage art in Tekken 8. The game is out on both consoles and PC. Even if your machine falls below the minimum CPU (processor) and GPU requirements, PC players should still be able to run the game fairly well.

Tekken 8 fatal error FAQs

Is the ‘UE-Polaris Game has crashed’ error on all Tekken 8 platforms?

No, it appears to be a PC-specific issue.

Which mode in Tekken 8 is affected by the fatal error?

Some players report that multiplayer is affected while others aren’t able to access any mode.