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Hello Raj, Sometimes when OS’s update to a new major revision, the system libraries change such that software installed under the old OS version is not backwards compatible with the new OS version.  I think we may have already mentioned on the list that the current freesurfer builds/releases do not yet support installing or running on Ubuntu 24.  VM applications like Oracle’s VirtuaBox, and those from VMware, etc., support making a snapshot and/or backup copy of the VM’s disk image..  So for example, before upgrading from Ubuntu 22 to Ubuntu 24 you could clone the current VM  (as VirtualBox calls it) so that you have a copy (or a 2nd) VM that is your old Ubuntu 22 system.   You just need to have enough disk space to store snapshots and/or clones/backups of the virtual machine.  Sorry I don’t have a workaround to run 7.4.1 on Ubuntu 24. - R.

On Oct 5, 2024, at 06:26, Raj Agarbattiwala <raj27289@gmail.com> wrote:        External Email - Use Caution        Dear Developers I installed Freesurfer 7.4.1 when using Ubuntu 22 in an Oracle VM on Windows 10 as a host OS. However, I recently updated to Ubuntu 24.04.1 LTS (I still regret it), and after that, Freesurfer stopped working. It shows "bash: /usr/local/freesurfer/7.4.1/ SetUpFreeSurfer.sh: No such file or directory" as an error message. I tried to re-install Freesurfer, and it showed the following error message: The following packages have unmet dependencies: freesurfer : Depends: libncurses5 but it is not installable Depends: libc6 (< 2.36) but 2.39-0ubuntu8.3 is to be installed E: Unable to correct problems, you have held broken packages. I am a Neurosurgeon in Mumbai. I have beginner-level knowledge of programming. Please help me out. Regards Raj Agarbattiwala Jaslok Hospital and Research Center, Mumbai_______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://secure-web.cisco.com/11xpk6NwlTzyo7_bufXgr7-1Uj_QbwYQSmscCI2OEi7z2it...