Thank you for taking the time to report this bug and helping to make Ubuntu better.
Bug reporting is about finding & fixing problems, thus preventing future users from hitting the same bug. You seem to need support more than have issues with a bug (your issue could be hardware related or lots of things). Because of media validation fail; errors can be expected and what is reported in the logs may not be trustworthy, due to potentially bad coded read from a invalid ISO or bad write of ISO to installation media. I do note Mar 22 23:53:58 ubuntu kernel: [ 1022.718621] EXT4-fs error (device sdb2): htree_dirblock_to_tree:1027: inode #4720121: comm find: Directory block failed checksum Mar 22 23:53:58 ubuntu kernel: [ 1022.718627] Aborting journal on device sdb2-8. Mar 22 23:53:58 ubuntu kernel: [ 1022.719481] EXT4-fs (sdb2): Remounting filesystem read-only I'd check the health of device sdb - https://help.ubuntu.com/community/Smartmontools This bug report can be converted to a question (which is aimed at support). You can also find help with your problem in the support forum of your local Ubuntu community http://loco.ubuntu.com/ or asking at https://askubuntu.com or https://ubuntuforums.org, or for more support options please look at https://discourse.ubuntu.com/t/community- support/709 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1965998 Title: Fresh Ubuntu Install Crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1965998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs