I had the same problem on Ubuntu LTS 18.04, desktop freeze and had to either do REISUB or Ctrl+alt+F2 to switch to a terminal and reboot the machine (restarting gnome service didn't work for me).
Now works to preview also excel files. Related bug on Gnome's site: https://gitlab.gnome.org/GNOME/sushi/-/issues/26 Seems there could be an issue with m4a files too https://gitlab.gnome.org/GNOME/sushi/-/issues/25 ** Bug watch added: gitlab.gnome.org/GNOME/sushi/-/issues #26 https://gitlab.gnome.org/GNOME/sushi/-/issues/26 ** Bug watch added: gitlab.gnome.org/GNOME/sushi/-/issues #25 https://gitlab.gnome.org/GNOME/sushi/-/issues/25 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1739893 Title: gnome-sushi freezes my computer when trying to preview .odt-files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-sushi/+bug/1739893/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
