This is a screenshot after running `apt-get autoremove` showing messages Volume group "vgubuntu-mate" not found. Cannot process volume group vgubuntu-mate
so the system is un-bootable and encrypted. ** Attachment added: "un-bootable and encrypted system" https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1841672/+attachment/5285103/+files/bootfail1910.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1841672 Title: CryptSetup packages should not be removed by `apt-get autoremove` on system installed with encryption and LVM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1841672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs