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[GH-ISSUE #579] [Bug]: Can't install on secondary SSD--seemingly random errors #172

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opened 2026-10-31 22:09:36 +00:00 by bsakaguchi · 7 comments

bsakaguchi commented

2026-10-31 22:09:36 +00:00

Owner

Originally created by @roblaughter on GitHub (Dec 28, 2024).
Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/579

App Version

0.4.5, 0.4.4, 0.4.3

Expected Behavior

The application should install to D:\ComfyUI.

Actual Behavior

The application does not install when using a secondary SSD D:\ComfyUI. Instead, I get an "Unable to Start Comfy Desktop" error on every attempt. I've tried 0.4.5, 0.4.4, and 0.4.3. No version will install.

Each time, I get some random crash on a random package. I've tried completely removing the system files from both AppData locations, deleting the installation from the target directory, and starting fresh multiple times.

One attempt:

[2024-12-28 00:08:29.713] [info]    x Failed to download `filelock==3.13.1`
  |-> Failed to read from the distribution cache
  `-> Incorrect function. (os error 1)
  help: `filelock` (v3.13.1) was included because `torch` (v2.5.1+cu121)        
        depends on `filelock`
PS D:\ComfyUI> echo "_-end-1735362507218:$?"

Another attempt:

[2024-12-28 00:08:31.851] [info]    x Failed to download `trampoline==0.1.2`
  |-> Failed to read from the distribution cache
  `-> Incorrect function. (os error 1)
  help: `trampoline` (v0.1.2) was included because `torchsde` (v0.2.6)
        depends on `trampoline`

And a third time:

[2024-12-28 00:15:05.446] [info]    x Failed to download `typing-extensions==4.12.2`
  |-> Failed to read from the distribution cache
  `-> Incorrect function. (os error 1)
  help: `typing-extensions` (v4.12.2) was included because `spandrel`
        (v0.4.0) depends on `typing-extensions`

Steps to Reproduce

Run installer.
Choose NVIDIA with Cuda.
Set path to D:\ComfyUI
Begin installation.
Installation crashes with "Unable to Start Comfy Desktop v0.4.x.
Click "Open Logs"
View error.

Debug Logs

N/A

Browser Logs

N/A

Setting JSON

N/A

Other

No response

┆Issue is synchronized with this Notion page by Unito

Originally created by @roblaughter on GitHub (Dec 28, 2024). Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/579 ### App Version 0.4.5, 0.4.4, 0.4.3 ### Expected Behavior The application should install to D:\ComfyUI. ### Actual Behavior The application does not install when using a secondary SSD D:\ComfyUI. Instead, I get an "Unable to Start Comfy Desktop" error on every attempt. I've tried 0.4.5, 0.4.4, and 0.4.3. No version will install. Each time, I get some random crash on a random package. I've tried completely removing the system files from both AppData locations, deleting the installation from the target directory, and starting fresh multiple times. One attempt: ``` [2024-12-28 00:08:29.713] [info] x Failed to download `filelock==3.13.1` |-> Failed to read from the distribution cache `-> Incorrect function. (os error 1) help: `filelock` (v3.13.1) was included because `torch` (v2.5.1+cu121) depends on `filelock` PS D:\ComfyUI> echo "_-end-1735362507218:$?" ``` Another attempt: ``` [2024-12-28 00:08:31.851] [info] x Failed to download `trampoline==0.1.2` |-> Failed to read from the distribution cache `-> Incorrect function. (os error 1) help: `trampoline` (v0.1.2) was included because `torchsde` (v0.2.6) depends on `trampoline` ``` And a third time: ``` [2024-12-28 00:15:05.446] [info] x Failed to download `typing-extensions==4.12.2` |-> Failed to read from the distribution cache `-> Incorrect function. (os error 1) help: `typing-extensions` (v4.12.2) was included because `spandrel` (v0.4.0) depends on `typing-extensions` ``` ### Steps to Reproduce 1. Run installer. 2. Choose NVIDIA with Cuda. 3. Set path to D:\ComfyUI 4. Begin installation. 5. Installation crashes with "Unable to Start Comfy Desktop v0.4.x. 6. Click "Open Logs" 7. View error. ### Debug Logs ```powershell N/A ``` ### Browser Logs N/A ### Setting JSON N/A ### Other _No response_ ┆Issue is synchronized with this [Notion page](https://www.notion.so/Issue-579-Bug-Can-t-install-on-secondary-SSD-seemingly-random-errors-16e6d73d365081a1a807e2499a64b631) by [Unito](https://www.unito.io)

bsakaguchi

2026-10-31 22:09:36 +00:00

closed this issue
added the
bug
label

bsakaguchi commented

2026-10-31 22:09:37 +00:00

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Owner

@webfiltered commented on GitHub (Dec 29, 2024):

Can you please upload the logs?

@webfiltered commented on GitHub (Dec 29, 2024): Can you please upload the logs?

bsakaguchi commented

2026-10-31 22:09:37 +00:00

Author

Owner

@robinjhuang commented on GitHub (Dec 31, 2024):

@roblaughter Can you upload the full logs (main.log)? Instructions here

@robinjhuang commented on GitHub (Dec 31, 2024): @roblaughter Can you upload the full logs (main.log)? [Instructions here ](https://comfyorg.notion.site/ComfyUI-Desktop-User-Guide-1146d73d365080a49058e8d629772f0a#1486d73d365080999843ea13fda2fac1)

bsakaguchi commented

2026-10-31 22:09:37 +00:00

Author

Owner

@roblaughter commented on GitHub (Dec 31, 2024):

@robinjhuang no, because I completely deleted the broken install to start from scratch and install to the default location. I realize that isn’t helpful.

@roblaughter commented on GitHub (Dec 31, 2024): @robinjhuang no, because I completely deleted the broken install to start from scratch and install to the default location. I realize that isn’t helpful.

bsakaguchi commented

2026-10-31 22:09:38 +00:00

Author

Owner

@robinjhuang commented on GitHub (Jan 1, 2025):

I see, so it worked on your C drive but not external SSD? We've seen this before and can look into it

@robinjhuang commented on GitHub (Jan 1, 2025): I see, so it worked on your C drive but not external SSD? We've seen this before and can look into it

bsakaguchi commented

2026-10-31 22:09:38 +00:00

Author

Owner

@robinjhuang commented on GitHub (Jan 1, 2025):

Reproduced.

@robinjhuang commented on GitHub (Jan 1, 2025): ![CleanShot_2024-12-31_at_19 40 512x](https://github.com/user-attachments/assets/8bfb9ca8-03f4-4a1f-8ab8-1c86cf29ee81) Reproduced.

bsakaguchi commented

2026-10-31 22:09:38 +00:00

Author

Owner

@trollishka commented on GitHub (Jan 1, 2025):

Having trouble. tried everything my basic knowledge will allow me
main.log

@trollishka commented on GitHub (Jan 1, 2025): Having trouble. tried everything my basic knowledge will allow me [main.log](https://github.com/user-attachments/files/18286101/main.log)

bsakaguchi commented

2026-10-31 22:09:38 +00:00

Author

Owner

@webfiltered commented on GitHub (Feb 9, 2025):

This should be resolved as of version 0.4.18. Please do let us know if you're still experiencing an issue.

@webfiltered commented on GitHub (Feb 9, 2025): This should be resolved as of version 0.4.18. Please do let us know if you're still experiencing an issue.

bsakaguchi referenced this issue

2026-10-31 22:15:44 +00:00

[PR #172] [MERGED] Revert "Remove unused dependencies." #661

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Comfy-Org/desktop#172

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