Fix Blue Protocol: Star Resonance DirectX Error on PC

Are you facing a DirectX error while trying to play Blue Protocol: Star Resonance on your PC? You’re not alone — many players encounter this issue during startup or gameplay. These errors often appear as messages like “DirectX function failed” or “DXGI_ERROR_DEVICE_REMOVED”, causing the game to crash or fail to launch entirely.

In this guide, we’ll explore the common causes behind this error and provide step-by-step fixes to help you resolve it quickly and get back into the game.

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Common Causes of DirectX Errors in Blue Protocol: Star Resonance

Several factors can trigger DirectX-related issues in Blue Protocol: Star Resonance. Below are the most common ones:

• Outdated or missing DirectX runtime components
• Corrupted GPU drivers or incorrect driver versions
• Incompatible graphics settings (like DX12 not supported by your GPU)
• Windows updates interfering with DirectX libraries
• Missing or damaged game files
• Using overclocked GPU settings that cause instability

Understanding the root cause can help you apply the right fix effectively.

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Fix 1: Update Your DirectX Runtime

1. Visit the official Microsoft DirectX End-User Runtime page.
2. Download the DirectX End-User Runtime Web Installer.
3. Run the setup and follow the on-screen instructions.
4. Restart your PC after installation.

✅ This ensures all necessary DirectX components are properly installed and up-to-date.

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Fix 2: Update Your Graphics Drivers

1. Press Win + X → select Device Manager.
2. Expand Display adapters.
3. Right-click your GPU (NVIDIA, AMD, or Intel) → choose Update driver.
4. Select Search automatically for drivers.

Alternatively, visit your GPU manufacturer’s website and install the latest drivers manually:

• NVIDIA Drivers
• AMD Drivers
• Intel Graphics Drivers

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Fix 3: Reinstall GPU Drivers Using DDU

If updating doesn’t help, a clean reinstall may be necessary.

1. Download Display Driver Uninstaller (DDU).
2. Boot your PC into Safe Mode.
3. Open DDU and select Clean and restart.
4. After reboot, install the latest GPU driver.

✅ This removes corrupted driver files that may cause DirectX or rendering errors.

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Fix 4: Verify Game Files

Corrupted or missing game files can trigger DirectX errors.

1. Open your game client (Steam or Bandai Namco Launcher).
2. Go to Library → Blue Protocol: Star Resonance → Properties → Installed Files.
3. Click Verify integrity of game files.

Once complete, relaunch the game to check if the issue is resolved.

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Fix 5: Run the Game as Administrator

Sometimes, DirectX may fail due to permission restrictions.

1. Right-click the Blue Protocol: Star Resonance shortcut.
2. Select Properties → Compatibility.
3. Check Run this program as an administrator.
4. Click Apply and OK.

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Fix 6: Disable Overlays

Overlays from Steam, Discord, or NVIDIA GeForce Experience can interfere with DirectX rendering.

1. In Steam → Settings → In-Game → disable Steam Overlay.
2. In Discord → Settings → Game Overlay → toggle off Enable in-game overlay.
3. In GeForce Experience → disable the In-Game Overlay option.

Then relaunch the game.

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Fix 7: Lower In-Game Graphics Settings

High settings like Ray Tracing or Ultra Textures can strain GPUs and cause DirectX crashes.

1. Launch the game.
2. Go to Settings → Graphics.
3. Lower texture quality, shadows, and disable anti-aliasing.
4. Save and restart the game.

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Fix 8: Install Windows Updates

DirectX files are also updated through Windows Update.

1. Press Win + I → select Windows Update.
2. Click Check for updates.
3. Install all pending updates, including optional ones.
4. Restart your PC.

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Fix 9: Disable GPU Overclocking

Overclocked GPUs can cause instability with DirectX.

1. Open your GPU tuning software (MSI Afterburner, EVGA Precision, etc.).
2. Reset the core clock and memory to default values.
3. Restart your PC and try launching the game again.

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Fix 10: Reinstall Blue Protocol: Star Resonance

If all else fails, reinstall the game to eliminate corrupted files.

1. Uninstall the game completely.
2. Delete leftover files from: C:\Users\<YourName>\AppData\Local\BlueProtocol C:\Program Files (x86)\Blue Protocol
3. Reinstall via the official launcher or Steam.

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Additional Tips

• Avoid running background software that consumes GPU memory.
• Use High-Performance mode under Windows Power Settings.
• Ensure your PC meets the minimum system requirements for Blue Protocol: Star Resonance.
• Update Visual C++ Redistributables from Microsoft’s official website.

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Frequently Asked Questions (FAQs)

Q1. What causes DirectX function errors in Blue Protocol: Star Resonance?
These errors usually occur due to outdated GPU drivers, missing DirectX components, or unstable overclocking.

Q2. Does reinstalling DirectX fix the issue?
Yes, reinstalling or updating DirectX often resolves missing DLL and runtime errors.

Q3. Can low VRAM cause DirectX errors?
Absolutely. Insufficient VRAM can cause texture and rendering issues, leading to DirectX crashes.

Q4. Should I use DX11 or DX12 mode?
If your GPU doesn’t support DX12 fully, switching to DX11 mode can improve stability.

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Conclusion

The DirectX error in Blue Protocol: Star Resonance is often caused by outdated drivers, missing runtime components, or incorrect system settings. By following the step-by-step fixes outlined above — from updating DirectX and GPU drivers to verifying files — you can resolve the issue and enjoy smooth gameplay again.

Stay up to date with your drivers, avoid overclocking, and regularly verify your game files for a crash-free experience in Blue Protocol: Star Resonance.