users > Original CMTK GUI and Parallel CMTK GUI not working on Mac 13.7.8
Aug 6, 2026  06:08 PM | Tristan Stoyanof
Original CMTK GUI and Parallel CMTK GUI not working on Mac 13.7.8

Hi All,


We had historically used the Jeffries CMTK GUI on our Mac, but a recent forced IT update has thrown it all out of whack. When using it, it generates a "commands" folder as normal, but won't populate it with a written script.


I then tried the newer parallel GUI, using the "Full Flybrain" + "Affine and Warp Registration" options and settings similar to what we've run in the past, even though most of the settings won't change when using the preset (we've used the OG GUI to register zebrafish brains numerous times). Whenever I run that, both the warp and affine steps immediately fail, and so zero images are reformatted.


I've checked the folder/file naming conventions. There are no spaces, no underscores except for just before the channel names, and no special characters. Any clue as to what could be driving the issues?


The OS is Ventura 13.7.8, and all of the CMTK files seem to be the most updated versions possible.
I appreciate any help possible!

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TitleAuthorDate
Original CMTK GUI and Parallel CMTK GUI not working on Mac 13.7.8
Tristan Stoyanof Aug 6, 2026
Sandor Kovacs Aug 7, 2026
Tristan Stoyanof 18 hours ago
Greg Jefferis Aug 7, 2026