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This installation looks like it was caused by a corrupted file system, or device problems (sdb5). I notice in the logs Jan 31 16:59:12 ubuntu kernel: [ 5700.165980] EXT4-fs error (device sdb5): ext4_lookup:1697: inode #278331: comm dpkg: iget: checksum invalid Jan 31 16:59:12 ubuntu kernel: [ 5700.165987] Aborting journal on device sdb5-8. Jan 31 16:59:13 ubuntu ubiquity: dpkg: error processing package libreoffice-common (--remove):#015 Jan 31 16:59:13 ubuntu ubiquity: cannot remove '/target/usr/share/icons/hicolor/scalable/apps/libreoffice-writer.svg': Read-only file system#015 Jan 31 16:59:13 ubuntu ubiquity: dpkg: too many errors, stopping#015 Jan 31 16:59:13 ubuntu ubiquity: dpkg: error: unable to create new file '/target//var/lib/dpkg/status-new': Read-only file system#015 Jan 31 16:59:13 ubuntu kernel: [ 5700.822899] EXT4-fs (sdb5): Remounting filesystem read-only I've marked this bug as incomplete (due hardware issues), if you believe I'm in error please leave a comment as to why, and you can return the status to "New". I suggest you validate the health of your hardware (esp. disk by checking it's SMART status using `smartctl`, `gnome-disks` or whichever tool you prefer), and possibly the integrity of your partition table. If you're unfamiliar with these, I suggest seeking looking up refer to https://discourse.ubuntu.com/t/finding-help/709 Note: USB media is usually built to price; so doesn't include error checking like SMART ** Changed in: ubiquity (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1959605 Title: Install fail onto USB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1959605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs