How to Fix TEKKEN 8 Error The UE-Polaris Game Has Crashed And Will Close

Navigate to the installed game directory on your PC.
Right-click on the Tekken8.exe app.
Go to Properties > Click on the Compatibility tab.

Turn On the Run this program as an administrator option.
Click on Apply > Click on OK to save changes.
Once done, run the game again.

3. Check for the Server Status

You should also check for the Tekken 8 server status to get to know whether the problem is appearing due to server downtime or maintenance at the time you’re trying to launch the game. You can visit the third-party DownDetector Tekken status webpage to check if there is any server outage has been reported by the players or not. Another thing you can do is follow the official @TEKKEN Twitter handle to check for potential server reports and upcoming patch updates.

We are currently experiencing errors during online matches and spectating in TEKKEN 8 due to a high concentration of users connecting to matching and competition servers.

We are actively working on resolving this issue and will update as soon as possible. Thank you!

— TEKKEN (@TEKKEN) January 26, 2024

In case, there is a server downtime, you’ll have to wait for a couple of hours & try again later. If everything works fine for the server side, you can skip to the next workaround.

4. Run Tekken 8 with the Compatibility Mode

Ensure that you can do another thing by enabling the Windows system compatibility mode for the Tekken 8 game application to run the program smoothly. You’ll have to follow the steps below to run the game in compatibility at your end.

Open the Start menu > Search for Tekken 8.
Right-click on the Tekken8.exe app.
Select Properties > Click on the Compatibility tab.
Enable the Run this program in compatibility mode for option.
Click on Windows 8 / Windows 7 from the list.
Next, click on Apply > Click on OK to save changes.

5. Update Tekken 8

You should also need to check for the game updates manually by following the steps below to ensure there is no issue with the outdated game patch version. Sometimes an outdated game version can trigger game startup or performance issues.

Open the Steam client > Go to Library.
Right-click on the Tekken 8 game.
Click on Properties > Click on Updates.
Now, go to Automatic Updates.
Select Only update this game when I launch it.
Once done, reboot the system to apply changes.
Whenever a new update is available, install it.

6. Scan and Repair the Game Files

It looks like verifying and repairing the installed game files on the computer can come in handy. You might have to follow the steps below to perform the repair process which will help in fixing corrupted or missing game files.

Open the Steam client > Go to Library.
Right-click on the Tekken 8 game.
Go to Properties.
Now, click on Installed Files.
Click on Verify integrity of game files.
Wait for the process to complete.
Once done, restart the system.

7. Check for Graphics Driver Updates

It seems that an outdated graphics card driver version may trigger multiple issues with the game launching. In case, you’re still experiencing this UE-Polaris error then be sure to follow the steps below to check for graphics driver updates.

Recommended Update:

Open the Start menu > Search and open Device Manager.
Double-click on Display Adapters.
Right-click on the dedicated graphics card.

Click on Update Driver > Choose Search automatically for drivers.
If an update is available, the system will automatically download & install the latest version.
Once done, restart the computer to apply changes.

Manual Update:

If you can’t find any pending updates, go to the official website of the respective graphics card brand below and search manually for the latest update. Do remember that you’ll always have to search for the latest driver version and specific for the model you’re using. If a new version is available for the graphics card, download the driver and install it on your PC. You can jump to the link below to do so:

8. Force Run DirectX 12 for Tekken 8

We should also mention that force running DX12 for the Tekken 8 game might help in fixing several issues with the startup. You can check the steps below to do so:

Open the Steam client > Go to Library.
Right-click on Tekken 8 on the left side.
Click on Properties > Go to the General tab.
Go to Set Launch Options.
Type the following command in the blank field:

-force -dx12

Save changes and then run the game.

9. Adjust Tekken 8 Graphics Settings

Some of the reports claim that adjusting in-game graphical settings has fixed the UE-Polaris Game Has Crashed error on the PC for several players. Therefore, you should also try performing this method to check for the issue.

V-Sync: Off
Upscaling: DLSS Quality
Anti-Aliasing Quality: Medium
Shadow Quality: Medium
Texture Quality: Low
Effect Quality: Low
Post-Processing Quality: Medium
Background Quality: Medium

10. Turn Off Antivirus

We’ll also recommend you to temporarily turn off the antivirus program no matter if it’s a default antivirus or a third-party software. Aggressive blocking can also prevent the game files from running properly which will end up with program launching errors. To do so, check the steps below.

Press the Win+I keys to open Windows Settings.
Click on Update & Security.
Go to Windows Security.
Click on Open Windows Security.
Go to Virus & Threat Protection.
Next, click on Manage Settings.
Turn Off the Real-time Protection option.
If prompted by UAC, click on Yes to proceed further.
Finally, run the game to check for the error.

Please Note: If you’re using a third-party antivirus program on your PC then disable the real-time protection feature temporarily and run the game.

11. Disable Windows Firewall

You should also disable the Windows Firewall program by following the steps below to ensure there are no blocking issues with the ongoing game connections to the servers. The chances are high that your Firewall security is troubling you to run the game properly.

Open the Start menu > Search and open Control Panel.
Search for firewall > Open Windows Firewall from the search result.

Click on Turn Windows Firewall on or off from the left pane.
Turn Off the Windows Firewall option.
Once done, restart your system to apply changes.

12. Install DirectX and Visual C++ Redistributable

It’s suggested to install the DirectX End-User Runtime on your computer to avoid UE-Polaris errors. Make sure to install it properly and restart the computer. You’ll need to grab the latest DirectX version & Visual C++ Redistributables on the PC which will allow the Windows system to run required programs quite smoothly. It’s recommended to uninstall the previously installed Visual C++ Redistributable before installing the new one. To do so:

Open Settings by pressing the Win+I keys.
Click on Apps > Search for existing VCRedist and uninstall it.
Once done, reboot the PC > Go to the official MS website link.
Download the X86/X64 versions of Visual Studio 2015, 2017, 2019, and 2022.
Install both programs and then reboot the system.
Next, download the latest DirectX End-User Runtime.
Then run the Tekken 8 game to check for the issue.

13. Disable Overclocking

It’s also recommended to disable CPU or GPU overclocking on your computer to ensure there is no conflict with the overall system and application performance. It’s better to restore to the default clock speed.

Boot your Windows system to the BIOS or UEFI settings.
Then locate the Overclocking option.
Next, reset the overclocked value to the default settings.
Once done, reboot the system, and then check for the error.

14. Update Windows

You might also need to check for Windows updates manually on your PC by following the steps below to ensure there is no issue with the outdated system version. Sometimes system bugs or stability issues can also trouble you a lot.

Open Settings by pressing the Win+I keys.
Click on Windows Update from the left side.

Now, click on Check for updates.
The available update will be downloaded and installed automatically.
Wait for the update to complete and reboot the PC.

15. Disable Intel HyperThreading

Using the Intel Hyperthreading options can be disabled to stop running the logical processor cores on processors supporting Intel Hyperthreading technology. This will help in improving the overall performance of applications that can offer a higher processor core count.

From the System Utilities screen, click on System Configuration.
Select BIOS/Platform Configuration (RBSU).
Click on Processor Options > Select Intel Hyperthreading Options.
Now, click on Settings > Set it to Disabled.
Save your settings and reboot the PC to apply changes.

16. Turn Off Multiplayer Crossplay

Multiple players have also tried to turn off the multiplayer crossplay feature in Tekken 8 which did fix the UE-Polaris error in most cases. Try turning it off and then turn it on again to check for the error.

Launch Tekken 8 > Go to the Settings menu.
Click on ‘Cross-Platform Play Off’.
Save changes and wait for a couple of minutes.
Then click on ‘Cross-Platform Play On’.
Save changes and run the game again.

17. Disable Third-Party Overlay Programs

The chances are high that somehow third-party overlay applications are conflicting with the overall system performance and game startup issues on the PC. Make sure to turn off overlay programs manually to ensure the Tekken 8 game is running fine.

For Steam:

Open the Steam client.
Go to the Library.
Right-click on Tekken 8.
Go to the ‘Properties’ > Head over to the General tab.
Uncheck the ‘Enable the Steam Overlay while in-game’ option.

For Nvidia:

Open the Nvidia GeForce Experience app.
Go to Settings > Go to General.
Disable the ‘In-Game Overlay’ option.

Clear Steam Download Cache:

Open the Steam client.
Click on the Steam tab on the top left side.
Go to Settings > Click on the Downloads tab.
Click on the ‘Clear Download Cache’ option.

Other Conflicting Programs:

Close Logitech, MSI, or Razer software.
Disconnect the racing wheel or pedals.
Disconnect other additional peripherals.

18. Reinstall Tekken 8

If none of the workarounds did come in handy then make sure to uninstall and reinstall the Tekken 8 game on your PC by following the steps below. You’ll be able to resolve multiple conflicts if any kind of game installation issue is there.

Open the Steam client on your PC.
Go to Library > Right-click on Tekken 8.
Head over to Manage.
Click on Uninstall > If prompted, click on Uninstall.
Follow the on-screen instructions to complete it.
Once done, restart the PC to apply changes.
Launch Steam, and reinstall the Tekken 8 game.
- Try installing the game on another drive.
Finally, check for the TEKKEN 8 Error The UE-Polaris Game Has Crashed And Will Close issue.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

How to Fix TEKKEN 8 Error The UE-Polaris Game Has Crashed And Will Close