Trying with https://fedorapeople.org/groups/virt/virtio-win/direct- downloads/archive-virtio/virtio-win-0.1.185-1/virtio-win-0.1.185.iso it mounts fine here
Could you do $ journalctl -f try to mount and see if the log has any output? here it writes udisksd[1519]: Set up loop device /dev/loop61 (backed by /tmp/virtio-win-0.1.185.iso) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901286 Title: gnome-disk-image-mounter fails after upgrade to 20.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-disk-utility/+bug/1901286/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs