#5995 No CUDA detected. Check NVIDIA GPU/Drivers. See Help -> CUDA.

This error indicates the software cannot find a compatible CUDA environment, which is required for GPU acceleration with NVIDIA graphics cards.

Possible causes and solutions:

1. Not an NVIDIA GPU – CUDA only supports Nvidia cards. If you have an AMD or Intel GPU, you cannot use CUDA acceleration. You may still run software in CPU mode (slower).

2. Missing CUDA Toolkit or cuDNN – Even with an Nvidia GPU, you must install CUDA Toolkit 12.8+ and cuDNN 9.11+. Verify installation:

   • Open command prompt and run nvcc -V to check CUDA version.
   • Run nvidia-smi to check driver version and supported CUDA version.
3. Outdated driver – Update your Nvidia drivers to the latest version from the official website.
4. Environment variables not set – Ensure CUDA_PATH and PATH include CUDA’s bin and lib directories.
5. Disable GPU acceleration – If you cannot use CUDA, deselect the "CUDA Acceleration" checkbox in the main interface and continue with CPU processing (slower but functional).

If all checks pass but CUDA is still not detected, please provide the log file from logs/ directory (last 30 lines) for further analysis.

Please refer to the documentation:

• CUDA & cuDNN Installation Guide (Windows)
• FAQ – GPU Acceleration Issues