Thank you for reporting this bug to Ubuntu. The following error can be found in UbiquitySyslog.txt which was automatically attached to this bug report:
Jan 16 23:15:25 ubuntu kernel: [ 595.617113] SQUASHFS error: squashfs_read_data failed to read block 0x14bed0f It's possible you have a bad write to your media. When having such problems please try the option to check the integrity of the image from the installer boot menu, and if this confirms that the media is corrupt, try re-writing and/or re-downloading it. By the way, Ubuntu 17.10 (artful) reached end-of-life on July 19, 2018 so is no longer supported. See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases. ** 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/1912079 Title: install on new Toshiba 250GB HDD failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1912079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs