Local / Desktop troubleshooting

Last updated: June 12, 2026

This article covers common troubleshooting steps for ComfyUI Local and Desktop.

Q. ComfyUI isn’t starting or loading properly

Before trying advanced troubleshooting:

  • Restart ComfyUI

  • Refresh your browser

  • Confirm your system meets the recommended requirements

  • Check whether your installation is up to date

For full troubleshooting guidance:

👉 See Comfy Docs - Troubleshooting

Q. The Desktop app won't start after installation

Try the following depending on your operating system:

Windows

  • Try running the app as administrator once

macOS

  • If you see a security warning, go to System Settings → Privacy & Security → Open Anyway

Linux

  • Make sure fuse2 is installed

Also check whether you're using the latest Desktop version.

👉 Download Comfy

Q. My GPU is not detected

Try the following:

  • Update your GPU drivers

  • Confirm your installation type supports GPU acceleration

  • Verify your hardware is supported

For troubleshooting steps:

👉 See Comfy Docs - Troubleshooting

For system requirements:

👉 See Comfy Docs - System Requirements

Q. An installation fails to update

Try:

  • Checking your internet connection

  • Creating a manual snapshot first

  • Restoring to a previous snapshot and retrying

If the issue continues:

👉 Comfy Docs - Troubleshooting

Q. How do I uninstall Comfy Desktop?

Comfy Desktop and its installations are stored separately.

To fully remove Comfy Desktop:

  1. Remove installations from inside the app (Right click → Remove) or delete installation folders manually

  2. Uninstall the Desktop app using your operating system

Examples:

  • Windows → Add / Remove Programs

  • macOS → Move to Trash

  • Linux → Use your package manager