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[GH-ISSUE #1341] [Bug]: Cannot install due to lack of space, even though there is almost 600 GB of space #372

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opened 2026-10-31 22:12:09 +00:00 by bsakaguchi · 4 comments

bsakaguchi commented

2026-10-31 22:12:09 +00:00

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Originally created by @CallMeDeans on GitHub (Sep 23, 2025).
Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/1341

App Version

ComfyUI Setup 0.4.72 - x64.exe

Expected Behavior

Install normally

Actual Behavior

I have over 600 GB of space on the C:/ drive. I saw an issue similar to mine, however my path to powershell is already correct but I'm still getting the same issue.

Steps to Reproduce

Try to install, select nvidia gpu.

Debug Logs

unavailable

Browser Logs

unavailable

Settings JSON

unavailable

Other

No response

Originally created by @CallMeDeans on GitHub (Sep 23, 2025). Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/1341 ### App Version ComfyUI Setup 0.4.72 - x64.exe ### Expected Behavior Install normally ### Actual Behavior I have over 600 GB of space on the C:/ drive. I saw an issue similar to mine, however my path to powershell is already correct but I'm still getting the same issue. <img width="879" height="597" alt="Image" src="https://github.com/user-attachments/assets/c2be2781-342e-43c9-aa0b-8834e8cf0163" /> <img width="476" height="18" alt="Image" src="https://github.com/user-attachments/assets/a61fb45f-8d48-4927-acc4-a710ded158c4" /> ### Steps to Reproduce Try to install, select nvidia gpu. ### Debug Logs ```powershell unavailable ``` ### Browser Logs unavailable ### Settings JSON unavailable ### Other _No response_

bsakaguchi

2026-10-31 22:12:09 +00:00

closed this issue
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bsakaguchi commented

2026-10-31 22:12:10 +00:00

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@dosubot[bot] commented on GitHub (Sep 23, 2025):

Hi @CallMeDeans! I'm Dosu and I’m helping the desktop team.

This is a known bug in ComfyUI Setup 0.4.72 and earlier: the installer can report "Insufficient space" even when you have plenty of free disk space, especially on systems with multiple or large drives. The root cause is a faulty disk space detection check in the installer code. There’s no reliable workaround for 0.4.72, but the bug is fixed in version 0.4.73 and later—upgrading will resolve the issue [details][fix PR].

Running as administrator and verifying your PowerShell path are good steps, but they won’t fix this specific bug. If you need to install right away, you could try the portable version or manual install as a temporary solution [docs].

To reply, just mention @dosu.

Docs are dead. Just use Dosu.

@dosubot[bot] commented on GitHub (Sep 23, 2025):  Hi @CallMeDeans! I'm [Dosu](https://go.dosu.dev/dosubot) and I’m helping the desktop team.  This is a known bug in ComfyUI Setup 0.4.72 and earlier: the installer can report "Insufficient space" even when you have plenty of free disk space, especially on systems with multiple or large drives. The root cause is a faulty disk space detection check in the installer code. There’s no reliable workaround for 0.4.72, but the bug is fixed in version 0.4.73 and later—upgrading will resolve the issue [[details](https://github.com/Comfy-Org/desktop/issues/1277)][[fix PR](https://github.com/Comfy-Org/desktop/pull/1328)]. Running as administrator and verifying your PowerShell path are good steps, but they won’t fix this specific bug. If you need to install right away, you could try the portable version or manual install as a temporary solution [[docs](https://docs.comfy.org/installation/desktop/windows)].  *To reply, just mention [@dosu](https://go.dosu.dev/dosubot?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=reply-with-mention&utm_term=Comfy-Org%2Fdesktop).* --- Docs are dead. Just use [Dosu](https://dosu.dev?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=static-docs-tagline&utm_term=Comfy-Org%2Fdesktop). [![Leave Feedback](https://img.shields.io/badge/Leave%20Feedback-555555?style=flat)](https://app.dosu.dev/response-feedback?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=static-docs-feedback&utm_term=Comfy-Org%2Fdesktop#message_id=1dbc03da-bc6f-4b5c-b628-ddc8c978ad1d) [![Ask Dosu about desktop](https://img.shields.io/badge/Ask%20Dosu%20about%20desktop-2f7b3f?style=flat&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iODYiIGhlaWdodD0iODkiIHZpZXdCb3g9IjAgMCA4NiA4OSIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJNNS4yOTIzNiAxMi43OTI4TDE3Ljc1OTMgNi42ODE4OFY3Mi41NjY3TDUuMjkyMzYgODQuMDYxOFYxMi43OTI4WiIgZmlsbD0iI0I0QkI5MSIvPjxwYXRoIGQ9Ik0xOC4yNTc1IDczLjExOTZMNTkuMTMyOSA3Mi43NDhMNTEuNzAxMSA4Mi40MDk1TDI5LjAzMzggODYuMjkxTDYuMjM5NjIgODUuMTU1NEwxOC4yNTc1IDczLjExOTZaIiBmaWxsPSIjNzc4NTYxIi8%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%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%2BPC9zdmc%2B)](https://github.dosu.com/Comfy-Org/desktop?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=static-docs-ask-repo&utm_term=Comfy-Org%2Fdesktop) [![Share Dosu with your team](https://img.shields.io/badge/Share%20Dosu%20with%20your%20team-1f6feb?style=flat)](https://app.dosu.dev/signup?referrer=openSource&source=github-footer&utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=static-docs-share-team&utm_term=Comfy-Org%2Fdesktop)

bsakaguchi commented

2026-10-31 22:12:11 +00:00

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Owner

@CallMeDeans commented on GitHub (Sep 23, 2025):

@dosu is there a simple installation for 0.4.73?

@CallMeDeans commented on GitHub (Sep 23, 2025): @dosu is there a simple installation for 0.4.73?

bsakaguchi commented

2026-10-31 22:12:11 +00:00

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Owner

@webfiltered commented on GitHub (Sep 23, 2025):

Almost there! Fix is on the way. You may use v0.4.73 (below). I've had a report that this version may not automatically update (to future versions). If that happens it's an easy fix: just download & run a newer version and it'll update itself and fix everything.

v0.4.73 download links:
Mac (Apple Silicon): https://download.comfy.org/250922i0fc1qno0/mac/dmg/arm64
Windows: https://download.comfy.org/250922i0fc1qno0/windows/nsis/x64

@webfiltered commented on GitHub (Sep 23, 2025): Almost there! Fix is on the way. You may use v0.4.73 (below). I've had a report that this version _may_ not automatically update (to future versions). If that happens it's an easy fix: just download & run a newer version and it'll update itself and fix everything. v0.4.73 download links: Mac (Apple Silicon): https://download.comfy.org/250922i0fc1qno0/mac/dmg/arm64 Windows: https://download.comfy.org/250922i0fc1qno0/windows/nsis/x64

bsakaguchi commented

2026-10-31 22:12:11 +00:00

Author

Owner

@CallMeDeans commented on GitHub (Sep 23, 2025):

Thank you so much!

@CallMeDeans commented on GitHub (Sep 23, 2025): Thank you so much!

bsakaguchi referenced this issue

2026-10-31 22:17:14 +00:00

[PR #372] [MERGED] Add section explaining Sentry crash report collection. #826

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