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Hello Chris, I think tksurfer has been deprecated as newer versions of freeview can be used instead.  A search thru the freesurfer support mail list for tksurfer brings up several posts including these, [Instead of tksurfer] you can also use tkmeditfv and tksurferfv. They take the tkmedit/tksurfer arguments but run freeview. Freeview does support surface-based ROI drawing. There is a Path/Custom Fill tool button on the left pane. Once it is checked, you should see a bunch of tool buttons similar to what tksurfer had for ROI drawing.  Are you saying that a new install of the VM on your Mac OS machine did not work, as in the Ubuntu OS did not come up in the VM window?   It would be good to know what version of Mac OS you are running.  I would also try and use the latest version of Virtualbox to run on the Mac.   Many people have Macs where they retain having everything on one partition as the machines come out of the box, i.e., they don’t re-partition the disk into multiple partitions to keep a separate/clean boot partition.  So depending upon the size of the built in drive/SSD and what is already occupying space there, I have seen some people run out of space on that single partition after installing the VM.   I would check that you have ~40G of space free on your boot partition if that is where the VM also lives. - R.

On Oct 14, 2020, at 11:05, Mcnorgan, Christopher <cpmcnorg@buffalo.edu> wrote:        External Email - Use Caution        Hi,I run Freesurfer remotely on Ubuntu, and locally on my Mac, so I’ve not had this problem personally. Two students are working remotely with PCs and are using the VM installation you folks provided (https://surfer.nmr.mgh.harvard.edu/fswiki/rel7downloads).%C2%A0Both of the students report that the tk applications (tkmedit and I think also tksurfer) fail to launch. At the command line, they run the command, and nothing really happens.One student provided a bit more information:I don't know if this helps, but I ran tksurfer and actually got an error that read out, ' TCL_init failed: Cannot find a usable init.tcl.  This probably means that Tcl wasn't installed properly.  TK_init failed: invalid command name "tcl_find/library” ‘Unfortunately I could not provide any help at all because when I attempt to run the VM on virtualbox on my mac, following the directions at https://surfer.nmr.mgh.harvard.edu/fswiki//VM_67_macThe OS fails to boot, and I only see a series of messages about recovering a journaled filesystem before the VM halts.Most of their learning has involved the CLI so it hasn’t been a huge impediment, but we’re about to run the GLM, and will require these resources to visualize.Thanks,Chris/*********************************************** Chris McNorgan* Assistant Professor* Department of Psychology* University at Buffalo, * The State University of New York* http://ccnlab.buffalo.edu/* Office: 716.645.0236* Lab: 716.645.0222**********************************************/_______________________________________________Freesurfer mailing listFreesurfer@nmr.mgh.harvard.eduhttps://mail..nmr.mgh.harvard.edu/mailman/listinfo/freesurfer%E2%80%8B