Downloaded the tar file repeatedly but each one has the same error. The unpacked tar only has the bin and lib directories. gzip: stdin: invalid compressed data--format violated tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now

Please check if the downloaded file’s checksum matches the checksum on the download site .

The chechsums don’t match. It’s the same for the preview.

You might need to use a tool that allows you to retry a failed download such as DownThemAll. I am in Australia and have similar issues with Slicer downloads.

Thanks for the reports. I don’t recall hearing any problems about interrupted downloads. Do you connect through VPN or proxy server? How long does it take to download the installer package? If you repeat the download multiple times, are all the download attempts result in exactly the same file size? …

I think in my case it might be ISP related as my downloads from home rarely fail. The work connection is directly to our ISP without any proxy etc. and I am the network admin. All downloads are different sizes so there is no common failure point. Here is a typical download attempt. The connection k…

The downloads are never interrupted and all have the same size. I can’t recall the download times but they were roughly the same. I do not connect through a VPN or Proxy server.

Thanks for the additional info. Hopefully @jcfr will be able to look at the server logs and we can learn something from there. @Tanuki please provide exact time when your download failed (including timezone) and the download URL.

The downloads are never interrupted nor do they fail. My last download was on 31-05-2023. Time zone: Africa/Accra (GMT, +0000) https://slicer-packages.kitware.com/api/v1/item/63f5bee68939577d9867b4c7/download

Thanks for the information. Do all your downloads have the same size? Could you upload somewhere an incomplete downloaded file?

Thanks for the help so far. All the downloads have the same file size and all completed downloading without interruption. link to the upload [image] 356.23 MB file on MEGA

Incomplete Slicer package download - `gzip: stdin: invalid compressed data--format violated` - #16 by lassoan - Support

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web-infrastructure , installation

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142

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1

25

July 17, 2026

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0

783

May 19, 2017

Incomplete Slicer package download - `gzip: stdin: invalid compressed data--format violated`

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