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The freesurfer install and/or the freeview application may not be an issue. If you are using NVIDIA graphics drivers instead of the system X.org drivers, then it might be that changing graphics setting in an X-windows application like freeview may not work for every possible setting you can choose in the application. I see quite a few postings online about X-windows applications having graphics/font scaling issues on Ubuntu24 depending upon how the system is setup. If there is no error displayed in the terminal session, you could look in the system log /var/log/syslog to see if there is any graphics related errors listed there. -R. On Jun 30, 2026, at 15:47, Andreas Bartsch <bartsch@radvisory.net> wrote: External Email - Use Caution Hi,I had sucessfully installed freesurfer 8.2.0 on Ubuntu 24.04 LTS Noble Numbat.Freeview was running.I then changed the font size under preferences from 12 to 14.Since then, I am getting a segmentation fault when I want to run freeview.I even didsudo apt purge freesurfer sudo apt install ./freesurfer_ubuntu24-8.2.0_amd64.deb sudo FREESURFER_HOME=/usr/local/freesurfer/8.2.0 bash fs820_updates.sh for a fresh clean re-installation but am still getting a crash of freeview whenever I am trying to start it.Any remedy?Cheers,Andreas_______________________________________________ Freesurfer mailing list -- freesurfer@nmr.mgh.harvard.edu To unsubscribe send an email to freesurfer-leave@nmr.mgh.harvard.edu https://secure-web.cisco.com/1seaLxin619QkjMydLmDPoUTWo857BJnWSchPVpjMA8tPxJ...