This is my first time installing ComfyUI. I’ve reinstalled it twice to see if it would fix the issue, but I’m still getting the message “Unable to start ComfyUI Desktop.”
I’ll leave the log below — I’d really appreciate any help!
[2026-01-20 18:38:41.518] [info] Adding extra search path custom_nodes C:\Users\guilh\Documents\ComfyUI\custom_nodes
Adding extra search path download_model_base C:\Users\guilh\Documents\ComfyUI\models
Adding extra search path custom_nodes C:\Users\guilh\AppData\Local\Programs\ComfyUI\resources\ComfyUI\custom_nodes
Setting output directory to: C:\Users\guilh\Documents\ComfyUI\output
Setting input directory to: C:\Users\guilh\Documents\ComfyUI\input
Setting user directory to: C:\Users\guilh\Documents\ComfyUI\user
[2026-01-20 18:38:42.881] [info] [START] Security scan
[DONE] Security scan
** ComfyUI startup time:
[2026-01-20 18:38:42.882] [info] 2026-01-20 18:38:42.880
** Platform: Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\Users\guilh\Documents\ComfyUI.venv\Scripts\python.exe
** ComfyUI Path: C:\Users\guilh\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: C:\Users\guilh\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** User directory: C:\Users\guilh\Documents\ComfyUI\user
** ComfyUI-Manager config path: C:\Users\guilh\Documents\ComfyUI\user__manager\config.ini
** Log path: C:\Users\guilh\Documents\ComfyUI\user\comfyui.log
[2026-01-20 18:38:43.788] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.
[2026-01-20 18:38:43.789] [info] [PRE] ComfyUI-Manager
[2026-01-20 18:38:45.458] [info] Checkpoint files will always be loaded safely.