I'm running 20.04 since March 28th, with full disk encryption alongside a Windows installation on EFI, and got the same error. Devices:
udev 7927804 0 7927804 0% /dev /dev/mapper/nvme0n1p7_crypt 501578960 48651080 427379388 11% / /dev/nvme0n1p6 267284 108360 138428 44% /boot /dev/nvme0n1p1 262144 55704 206440 22% /boot/efi The device selection in the `apt upgrade` prompt didn't exacly match these, as can be seen in the attachment. ** Attachment added: "The" https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1872100/+attachment/5354567/+files/Screenshot%20from%202020-04-15%2007-16-23.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872100 Title: "The GRUB bootloader was previously installed to a disk that is no longer present..." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1872100/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
