Errors & Fixes

Step-by-step guides to fix the most common ComfyUI errors.

July 3, 2026

ComfyUI "Import Failed" / Custom Node Errors: How to Actually Fix Them

Fix ModuleNotFoundError and 'Import Failed' errors in ComfyUI custom nodes. Install missing dependencies, resolve version conflicts, and fix Windows C++ build failures.

4GB VRAM Beginner

July 3, 2026

"Torch Not Compiled with CUDA Enabled" in ComfyUI: The Real Fix

Fix the 'Torch is not compiled with CUDA support' error in ComfyUI. Real cause: CPU-only PyTorch, wrong CUDA index, or a broken virtual environment.

4GB VRAM Beginner

July 2, 2026

CUDA Out of Memory in ComfyUI: How to Fix It (2026)

Fix the CUDA out of memory error in ComfyUI step by step. Memory flags, resolution, quantized models and VAE tiling for low-VRAM GPUs (4GB, 6GB, 8GB).

4GB VRAM Beginner