Thank you for letting us know! With a little more info, we should be able to reproduce this issue and get it resolved.
- Have you installed desktop previously, or was this a fresh install?
- Could you please upload the log files? There is some extra info on app startup there. Either here or to hello@comfy.org works.
Log file locations:
https://comfyorg.notion.site/ComfyUI-Desktop-User-Guide-1146d73d365080a49058e8d629772f0a#1486d73d365080999843ea13fda2fac1