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 You could try downloading and installing one of the freesurfer package 
installers, i.e.. on Linux the .rpm to .deb file that matches your OS, or on 
MacOS either the *x86_64*.pkg (Intel Macs) or *arm64*.pkg (Macs with M1, M2, … 
processors) that matches you machine 
...from...https://secure-web.cisco.com/1B-Y6R_reuVQwDKeMGSdl7-e2TzqvCfjXmPbUtNUE3LgEgrgfj-hvlDZ0qydXe5FMyaoau4W867g0jlJCQIwBSi8MQKtA7eag5M53D1u7aaCBRL4MGNd7bZ46ojlcSrj-pSlRW3pPgTjUHpxMdfDMc4ap6wIwAvOxW41t2tivZ-o1EsqSe8i3DT4Q3o-PdHEGdfXUkxghQJz_vxnJziMs4-TnOJR3VhNH0uLGlUjv30Bl8dVBHgxCkGcDE6v7lhqQWG9OA5Ih6V7lbVsjv8KS698gyYmNydlNBGdq75HF5hVYTwC_N45DMPecMCHruJmZ/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Fpub%2Fdist%2Ffreesurfer%2Fdev%2Fstable%2FThe
 python provided in the distribution already has packages installed and will 
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mri_synthseg, from the command line.  Prior to that you need to setup the 
freesurfer shell environment as listed 
here,https://secure-web.cisco.com/14OSIP22yq-rfoLg4l3V2OcIYvWi4b3IkHZ6noxLGvg_wdHz8tHtEnv_SZHIQKE3vjcNjvmy1BiolpY2ksYlAdozDJp9QPQkyJoSUL_QKkZq1JdyZ-zANxT4KLDsLh-EbiLVqrNqIP-SplNr04VP60sLSVU4iSUwmsZ1TjTorcPeoEF6Wxx9NAw8d_T8ZrtMKVHWfUrumvUP2wu6w5PB7W8Ji3dUUk0c6euvfe5bAhKLGL41D1jWM_lx0R4evQQRQ7ki2S2OlWzpNd-tpArVdgFoSRnyDXCuD98wZsJiRm2X1d2C1l0S-AzMEmJDgzRaq/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FSetupConfiguration_Linux
- R.
On Oct 11, 2024, at 13:53, Patel, Ronit 
<ronit.pa...@pennmedicine.upenn.edu> 
wrote:        External Email - Use 
Caution        Hi Freesurfer Support,
I hope all is well. I am hoping to download TensorFlow to utilize SynthSeg on 
my MRI scans, but there appears to be a strange problem when I try to download 
it. While I do have the correct version of python and numpy, it continues to 
say the correct version is unavailable and prevents TensorFlow from 
downloading. 

At the same time, when I try to run synthseg and input the mri_synthseg 
function, the error I always get is 'Illegal Instruction: 4'. I am unsure what 
this means, as the input and output is clearly specified when I try this 
method. I had assumed it was simply because TensorFlow was not installed, but I 
was told it may be something else by my colleagues. 
I greatly appreciate any help that can be provided!
Sincerely,Ronit
Ronit PatelClinical Research AssistantUniversity of 
Pennsylvania Department of Neurology | TBI Research Initiative
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