Fix Arknights Endfield Crashing, Lag & Black Screen on PC

If Arknights: Endfield is crashing, not launching, stuck on a loading screen, showing a black screen, freezing, or lagging on PC, follow the fixes below step by step. These solutions cover startup crashes, performance issues, and loading problems on Windows.

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Fix 1: Restart Your PC

This sounds basic, but it matters.

1. Restart your PC once
2. After rebooting, launch Arknights: Endfield
3. Check if the issue is resolved

If the problem persists, continue to the next fix.

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Fix 2: Run the Game from the Installation Folder / As Administrator

Launch the Game Manually

1. Open Epic Games Launcher
2. Click the three dots next to Arknights: Endfield
3. Click Manage
4. Click the folder icon next to Installation
5. Double-click the launcher.exe file

If that doesn’t work:

1. Open the Games folder
2. Open the Endfield folder
3. Locate Endfield.exe
4. Double-click it to launch

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Run as Administrator & Compatibility Mode

1. Right-click Endfield.exe
2. Select Properties
3. Go to the Compatibility tab
4. Check Run this program as an administrator
5. Click Apply → OK
6. Launch the game

If still not working:

• Enable Compatibility Mode
• Try Windows 8
• If that fails, try Windows 7
• Click Apply after each change and test

You can also:

• Enable Disable fullscreen optimizations
• If nothing works, untick all options and continue to the next fix

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Fix 3: Change Launch Options (DX11 / DX12)

1. Open Epic Games Launcher
2. Click the three dots next to the game
3. Click Manage
4. Enable Launch Options
5. Enter: -dx11
6. Launch the game

If that fails:

• Replace it with: -dx12
• Test again

If still broken:

1. Remove all launch options
2. Disable Launch Options
3. Launch the game normally
4. In the Endfield Launcher, check Launch with DirectX 11
5. Click Play

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Fix 4: Perform a Clean Graphics Driver Installation

Outdated or corrupted GPU drivers cause crashes and black screens.

• NVIDIA → NVIDIA Official Website
• AMD → AMD Official Website
• Intel → Intel Official Website

NVIDIA Example

1. Download the latest Game Ready Driver
2. Run the installer
3. Choose Custom (Advanced)
4. Check Perform a clean installation
5. Complete installation
6. Restart your PC

Launch the game after rebooting.

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Fix 5: Allow the Game Through Windows Security & Firewall

Controlled Folder Access

1. Open Windows Security
2. Go to Virus & Threat Protection
3. Click Manage Ransomware Protection
4. Click Allow an app through Controlled Folder Access
5. Add:
   • launcher.exe
   • Endfield.exe

Firewall

1. Go to Firewall & Network Protection
2. Click Allow an app through firewall
3. Add both EXE files
4. Enable Private and Public
5. Save changes

If you use third-party antivirus software (Avast, Bitdefender, McAfee, etc.), whitelist the game or temporarily disable it for testing.

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Fix 6: Force the Game to Use Dedicated GPU

1. Search Graphics Settings in Windows
2. Click Add Desktop App
3. Add Endfield.exe
4. Set GPU Preference to High Performance
5. Launch the game

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Fix 7: Verify Game Files

1. Open Epic Games Launcher
2. Click the three dots → Manage
3. Click Verify
4. Wait for verification to finish
5. Launch the game

You can also:

• Open the Endfield Launcher
• Click Check Game Integrity
• Repair missing or corrupted files

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Fix 8: Install Microsoft Visual C++ Redistributables

1. Visit the official Microsoft Visual C++ page
2. Download:
   • x64
   • x86
3. Install or Repair both
4. Restart your PC

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Fix 9: Delete Arknights: Endfield Save Data (Last Resort)

⚠ This will delete saved progress. Backup first.

1. Open File Explorer
2. Go to: C:\Users\YourUsername\AppData\LocalLow
3. Open the GriffinLine folder
4. Copy the Endfield folder to Desktop (backup)
5. Delete it from AppData
6. Also delete the random alphanumeric folder in Roaming
7. Launch the game

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Fix 10: Disable Overlays

Disable all overlays:

• Discord Overlay
• NVIDIA GeForce Experience
• NVIDIA ShadowPlay
• AMD Overlay

Overlays commonly cause crashes and black screens.

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Fix 11: Close Conflicting Programs

• Disconnect extra USB devices
• Unplug controllers, wheels, extra monitors
• Close MSI Afterburner, RivaTuner, Razer Synapse, Dragon Center
• Close unnecessary background apps
• Free up RAM

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Fix 12: Update Windows

1. Open Windows Settings
2. Go to Windows Update
3. Click Check for updates
4. Install all updates
5. Restart your PC

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Final Fix: Reinstall the Game

If nothing works:

1. Uninstall Arknights: Endfield
2. Restart your PC
3. Reinstall the game on an SSD (preferably C:)
4. If already installed on C:, try another SSD

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Conclusion

Following these fixes should resolve:

• Crashing at startup
• Not opening or loading
• Stuck on loading screen
• Black screen issues
• Freezing and lagging on PC

If the problem persists after all fixes, the issue may be server-side or require an official patch.