Thanks for your report. According to the log is it likely due to a corrupted installation media
Nov 08 12:47:42 hostname kernel: SQUASHFS error: zlib decompression failed, data probably corrupt Nov 08 12:47:42 hostname kernel: SQUASHFS error: squashfs_read_data failed to read block 0x29e72eba I'm closing this report. Don't hesitate to submit any bug you may find. ** Changed in: ubiquity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1730945 Title: 17.10 installer crashed on new installation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1730945/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs