Unable to complete installation due to failure creating virtual environment

Desktop Feedback Mac
,
1

I’ve been trying to get ComfyUI installed using the Mac desktop installation app, but the installation is failing due to inability to successfully create Virtual Environment. I’ve tried manual install as well but ended up in a dependency incompatibility doom loop.

Relevant error section of my installation log follows below. Any tips for getting past this? I’m unable to use ComfyUI while stuck at this step. Thanks!

B-Rad-MacBook-Pro-Max% //Applications/C
[2025-08-12 15:27:11.320] [info]  omfyUI.app/Contents/Resources/uv/macos/uv  
"
"venv" "--python" "3.12" "--python-preference" "only-managed"


[2025-08-12 15:27:11.387] [info]  warning: Failed to patch the install name of the dynamic library for /Users/bradleysmith/.local/share/uv/python/cpython-3.12.9-macos-aarch64-none/bin/python3.12. This may cause issues when building Python native extensions.

[2025-08-12 15:27:11.391] [info]    x Querying Python at
  | `/Users/bradleysmith/.local/share/uv/python/cpython-3.12.9-macos-aarch64-none/bin/python3.12`
  | failed with exit status signal: 9 (SIGKILL)

[2025-08-12 15:27:11.392] [info]  %                                                                               
 
[2025-08-12 15:27:11.392] [info]  
B-Rad-MacBook-Pro-Max% eecho "_-end-1755030431286:$?"


[2025-08-12 15:27:11.392] [info]  _-end-1755030431286:1
%                                                                               
 
[2025-08-12 15:27:11.394] [error] Error creating virtual environment: Error: Failed to create virtual environment: exit code 1
    at VirtualEnvironment.createVenvWithPython (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:25127:13)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async descriptor.value (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:24856:9)
    at async VirtualEnvironment.createEnvironment (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:25099:7)
    at async VirtualEnvironment.create (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:25058:7)
    at async _b.freshInstall (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:26063:5)
    at async _b.resumeInstallation (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:25979:12)
    at async _b.ensureInstalled (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:25949:50)
    at async DesktopApp.initializeInstallation (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:27296:14)
    at async DesktopApp.start (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:27310:26)
[2025-08-12 15:37:32.380] [error] An error was detected, but the troubleshooting page could not be loaded. The app will close now. Please reinstall if this issue persists. FatalError: Cannot troubleshoot before installation is complete.
    at FatalError.wrapIfGeneric (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:3057:47)
    at DesktopApp.fatalError (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:27400:31)
    at DesktopApp.showTroubleshootingPage (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:27384:18)
    at /Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:27358:92
    at WebContents.<anonymous> (node:electron/js2c/browser_init:2:83553)
    at WebContents.emit (node:events:519:28)
    at emitter.emit (/Applications/ComfyUI.app/Contents/Resources/app.asar/.vite/build/main.cjs:22503:14)
[2025-08-12 15:37:38.805] [info]  Starting app v0.4.61