My guess is that you are using Safari on a Mac OSX Machine? If so, I have
observed that Safari  has strange behavior with ftp links. Can you try
using another browser like Firefox or Chrome? Or, you can download by
typing the following command in a terminal window:

  $> curl -O
ftp://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/dev/freesurfer-Darwin-OSX-dev.dmg

Hope this helps.

-Zeke

> Hello,
>
> I'm trying to segment the brainstem into subparts. I found online for
> freesurfer 5.3 you can use the following link to install the need codes:
>
> ftp://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/dev/
>
>
> which was from the following freesurfer question/solution:
>
>
> http://www.mail-archive.com/freesurfer%40nmr.mgh.harvard.edu/msg42064.html
>
> However, when I open the ftp as a guest and try to open the .dmg file I
> get
> the error "image not recognized". Looking into why this happens it sounds
> like the download went bad. I've tried re-downloading the file a few times
> and am now wondering if the uploaded file was bad? Is there another
> solution so I can segment the brainstem?
>
> Thank you for your help,
>
> Jon

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