Windows Troubleshooting

Common Windows Problems

App won't start:

• Run as administrator (once)
• Check Windows Defender
• Update Windows
• Reinstall

Slow performance:

• Disable antivirus temporarily to test
• Check Task Manager for resource usage
• Update GPU drivers

Antivirus/Windows Defender Interference

Windows Defender flags Hayase:

This is normal - BitTorrent functionality triggers warnings.

Solution:

1. Windows Security → Virus & threat protection
2. Manage settings → Exclusions
3. Add exclusion → Folder
4. Select Hayase installation folder
5. Restart Hayase

Safe? Yes - Hayase is open source, false positive from torrenting

Network/Firewall Configuration

Windows Firewall blocking:

Allow Hayase:

1. Windows Firewall → Allow app
2. Click "Change settings"
3. "Allow another app"
4. Browse to Hayase.exe
5. Check both Private and Public
6. OK

Port forwarding: See Torrenting Issues

GPU Acceleration Problems

NVIDIA Driver Issues

Common driver bugs:

NVIDIA drivers can sometimes cause severe glitches such as no video output or the entire UI looking "deep fried."

Recommended fix:

Use DDU (Display Driver Uninstaller) to fully remove the NVIDIA drivers, then reinstall the latest driver from scratch.

Update drivers:

1. GeForce Experience → Drivers → Check for updates
2. Or: nvidia.com → Download latest

If issues persist:

• Try different ANGLE backend
• Settings → Video → ANGLE Backend → OpenGL (not recommended)

AMD Driver Issues

Update: AMD Adrenalin software → Update drivers

If issues:

• Try OpenGL backend

Intel GPU Issues

Update: Intel Driver & Support Assistant

Multi-GPU Configurations

1. NVIDIA Control Panel → Manage 3D settings
2. Program Settings → Add Hayase
3. Select: "High-performance NVIDIA processor"
4. Apply

or via Windows Graphics Settings:

1. Settings → System → Display → Graphics settings
2. Browse Hayase.exe
3. Options → High performance → Save

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Related: Settings Reference