Yes, we have depricated the TclTk stuff. You should not have gotten that error when using tkregisterfv. Can you send the command line and full terminal output?

On 9/19/2023 7:02 PM, Nadvar, Negin wrote:

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Good afternoon,

I’m trying to run “tkregister2” in the following code for a manual registration correction:

/tkregister2 --mov ./fMRI_run1.nii.gz --reg ./Reg.lta --surfs////--sd ${SubjectsFolder}/

The above command works fine in older versions of FreeSurfer, but with the new version that I have, I’m getting the following error:

/Tcl_Init failed: Can't find a usable init.tcl in the following directories:/

////usr/pubsw/packages/tcltktixblt/current/lib/tcl8.4///

/This probably means that Tcl wasn't installed properly.///

I get the same error with "tkregisterfv". Here’s more info about my system, in case it helps. *OS*: Linux Ubuntu 18, *FreeSurfer version*: freesurfer-linux-ubuntu18_x86_64-7.4.1-20230614-7eb8460, *Python version*: Python 3.11.4, *FSL version*: 6.0.7.1

Please let me know if there's a known solution for this issue.

Thank you,

Negin

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