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The UE HalfSwordUE5 Game Has crashed and will close in Half Sword SOLVED

If you’re playing Half Sword and encountering frustrating “Fatal Error” crashes, especially in modes like Baron Free-for-All or the Final Challenge, you’re not alone. Many players face sudden crashes where the game freezes, a UE5 error pops up, and sometimes even Steam restarts.

These crashes often occur because the Unreal Engine 5 (UE5) is overloading your system—whether due to excessive physics objects, piled-up weapons/armor, or high particle effects (like blood and gore). When the engine runs out of VRAM (Video RAM) or struggles with DirectX12 compatibility, it crashes.

Below, we’ll explore multiple proven fixes, from launch options tweaks to in-game settings adjustments, ensuring a smoother experience.

1. Switch from DirectX12 to DirectX11 (Steam Launch Options Fix)

Since Half Sword runs on Unreal Engine 5, it defaults to DirectX12, which can cause instability on some GPUs. Forcing DX11 mode often resolves crashes.

Steps:

  1. Open Steam, go to your Library.

  2. Right-click Half Sword Demo → Properties.

  3. In the Launch Options box, paste:

    -dx11 -availablevidmem=12000 -nomemrestrict

    • Replace 12000 with your actual VRAM in MB (e.g., 8000 for 8GB VRAM).

    • -dx11 forces DirectX11 mode.

    • -availablevidmem tells the game how much VRAM it can use.

    • -nomemrestrict removes artificial memory limits.

  4. Click OK and relaunch the game.

✅ Why this works: DX11 is more stable on older GPUs, and manually setting VRAM prevents UE5 from over-allocating memory.

2. Lower Blood & Gore Settings (Reduces VRAM Usage)

UE5’s real-time physics and particle effects (like blood splatter) consume a lot of VRAM. Lowering these settings can prevent crashes.

Steps:

  1. In-game, go to Settings → Graphics.

  2. Set Blood & Gore Effects to Low or Off.

  3. Reduce Shader Quality and Texture Quality if needed.

✅ Why this works: Fewer particles = less strain on your GPU’s memory.

3. Optimize Your PC for Gaming (Background Tweaks)

Sometimes, other apps or Windows settings interfere with UE5’s performance.

A. Update GPU Drivers

B. Set Windows Power Plan to High Performance

  1. Press Win + R, type powercfg.cpl, hit Enter.

  2. Select High Performance.

C. Disable Background Apps & Overlays

  • Close Discord, MSI Afterburner, OBS, or GeForce Experience overlays.

  • Disable Steam Overlay (Steam → Settings → In-Game → Uncheck “Enable Steam Overlay”).

D. NVIDIA Control Panel Tweaks (For NVIDIA Users)

  1. Open NVIDIA Control Panel → Manage 3D Settings.

  2. Find Half Sword (or add it manually).

  3. Set:

    • Power Management Mode → Prefer Maximum Performance

    • Texture Filtering – Quality → High Performance

✅ Why this works: Ensures your GPU prioritizes Half Sword and avoids power throttling.

4. Quick Workaround: Alt+Tab Trick (Buy Extra Time Before Crash)

If the “Fatal Error” pop-up appears, you can delay the crash by:

  1. Pressing Alt + Tab to minimize the game.

  2. Waiting 10 seconds, then Alt + Tab back in.

  3. You’ll get ~1 minute of extra playtime—enough to finish a wave or save progress.

⚠️ Note: This is a temporary fix—combine it with the above solutions for stability.

5. Verify Game Files (If Crashes Persist)

Corrupted game files can also cause UE5 crashes.

Steps:

  1. Steam Library → Right-click Half Sword → Properties.

  2. Go to Installed Files → Verify Integrity of Game Files.

Final Thoughts

The most effective fixes are usually:
✔ Forcing DX11 via Launch Options
✔ Lowering Blood/Gore Settings
✔ Updating GPU Drivers

If crashes still happen, try the Alt+Tab trick or reduce resolution/effects further.

Did This Guide Help You?

Let us know in the comments if you have other fixes! If you’re still struggling, describe your PC specs and crash details—we’ll help troubleshoot!

🚀 Happy gaming, and may your sword never crash mid-battle!

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