How to Fix The Alters LowLevelFatalError

By
Ambar Jimenez
2025-06-19 09:19:28


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The Alters, a recently released Unreal Engine game (June 13, 2025), has been receiving positive feedback on Steam. However, like many other games built with Unreal Engine, it's susceptible to the notorious LowLevelFatalError, which can cause the game to crash upon launch. While an official patch for this specific issue in The Alters is yet to be released, several tested workarounds, effective in other Unreal Engine titles, have also proven successful for The Alters. Here’s a detailed breakdown of how to address this problem.

The Alters LowLevelFatalError: How to Fix It

Before diving into more complex solutions, always start with the simplest ones.

1. Restart the Game and PC

Often, temporary glitches or conflicts with background processes can trigger issues like the LowLevelFatalError.

  • Completely exit The Alters.
  • Close any unnecessary applications running in the background.
  • Restart your PC.
  • After rebooting, attempt to launch the game again.

2. Modify Game Launch Options (Steam)

You can try forcing the game to use a different DirectX version or launch in a windowed mode.

  • Open Steam: Go to your Steam Library.
  • Access Game Properties: Right-click on The Alters in your library and select "Properties."
  • Enter Launch Options: In the "General" tab, locate the field labeled "LAUNCH OPTIONS."
  • Try -dx11: Type -dx11 into this box and close the properties tab.
  • Launch and Check: Launch the game and see if the issue is resolved.
  • If Not, Try Others: If -dx11 doesn't work, remove it and then try -dx12 or -windowed one by one, testing the game after each change.
    • Note: If none of these commands work, ensure you remove the command from the launch options before attempting other fixes.

3. Hardware Accelerated GPU Scheduling


A Steam user reported that enabling this Windows feature helped them play The Alters crash-free for a significant period. While not a guaranteed permanent fix, it's worth trying.

  • Open Windows Settings: Press the Windows key + I simultaneously on your keyboard.
  • Navigate to Display Settings: In the left-hand menu, click on "System," then select "Display" from the options on the right.
  • Access Graphics Settings: Scroll down on the right-hand side of the Display window and click on "Graphics."
  • Advanced Graphics Settings: Within the Graphics settings, click on "Advanced Graphics Settings."
  • Turn on "Hardware-accelerated GPU scheduling": You will find a toggle switch labeled "Hardware-accelerated GPU scheduling." Click on it to turn it on.

4. Verify Game Files

Corrupted or missing game files are a common cause of crashes. Steam has a built-in tool to check for this.

  • Open Steam: Go to your Library.
  • Access Game Properties: Right-click on The Alters.
  • Verify Integrity: Select "Properties" > "Installed Files" > "Verify integrity of game files."
  • Allow the process to complete, then check if the problem persists.

5. Update or Rollback Graphics Drivers

Outdated or, in some cases, even the very latest graphics drivers can cause compatibility issues.

  • Update Drivers: Visit the official website for your graphics card manufacturer (NVIDIA, AMD, or Intel) directly and download the latest drivers for your specific GPU model. Perform a clean installation if possible.
    • For NVIDIA, you can often manage driver updates through the GeForce Experience application (Drivers tab, Check for updates) or by directly visiting the NVIDIA driver download page.
  • Rollback Drivers (NVIDIA Specific): If the latest drivers don't resolve the issue, or if the problem started after a recent update, consider rolling back to a more stable previous version. A Steam user found success by rolling back to NVIDIA driver version 576.02, which fixed the fatal error in The Alters and other games.
    • To roll back NVIDIA drivers via Device Manager:
    • Press Windows key + X and select "Device Manager."
    • Expand "Display adapters."
    • Right-click on your NVIDIA GPU and select "Properties."
    • Go to the "Driver" tab and click "Roll Back Driver" (if available). Follow the on-screen prompts.
    • If "Roll Back Driver" is grayed out, you may need to perform a clean uninstallation of your current drivers using a tool like Display Driver Uninstaller (DDU) in Safe Mode, then manually download and install an older, known stable driver version from NVIDIA's website.

6. Update System Software

Ensure your Windows operating system is fully up to date, as system updates often include critical bug fixes and component updates required by newer games.

  • Go to Settings -> Windows Update -> Check for updates.
  • If pending updates are found, download and install them.
  • Restart your PC, then launch the game to check if the issue persists.


Platform(s): PlayStation 5 PS5, Windows PC, Xbox Series X/S
Genre(s): Survival
Developer(s): 11 Bit Studios
Publisher(s):11 Bit Studios
Engine: Unreal Engine 5
Release date: 13 June 2025
Mode: Single-player
Video preview





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