Removing linux-generic-hwe-16.04 (4.15.0.43.64) ... Removing linux-image-generic-hwe-16.04 (4.15.0.43.64) ... Removing amd64-microcode (3.20180524.1~ubuntu0.16.04.2) ... update-initramfs: deferring update (trigger activated) Removing intel-microcode (3.20180807a.0ubuntu0.16.04.1) ... update-initramfs: deferring update (trigger activated) Removing iucode-tool (1.5.1-1ubuntu0.1) ... Removing linux-headers-generic-hwe-16.04 (4.15.0.43.64) ... Removing linux-modules-extra-4.15.0-29-generic (4.15.0-29.31~16.04.1) ... Removing linux-image-4.15.0-29-generic (4.15.0-29.31~16.04.1) ... I: /vmlinuz.old is now a symlink to boot/vmlinuz-4.15.0-43-generic I: /initrd.img.old is now a symlink to boot/initrd.img-4.15.0-43-generic /etc/kernel/postrm.d/initramfs-tools: update-initramfs: Deleting /boot/initrd.img-4.15.0-29-generic /etc/kernel/postrm.d/zz-update-grub: Generating grub configuration file ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. Found linux image: /boot/vmlinuz-4.15.0-43-generic Found initrd image: /boot/initrd.img-4.15.0-43-generic Found memtest86+ image: /memtest86+.elf Found memtest86+ image: /memtest86+.bin done Removing linux-modules-extra-4.15.0-43-generic (4.15.0-43.46~16.04.1) ... Removing linux-image-4.15.0-43-generic (4.15.0-43.46~16.04.1) ... [?1049h[?25l(B           [12;1 H               (BPackage configuration┌────────────────┤ Removing linux-image-4.15.0-43-generic ├────────────────┐│ │ (B│ You are running a kernel (version 4.15.0-43-generic) and attempting to │ (B│ remove the same version. │ (B│ │ (B│ This can make the system unbootable as it will remove │ (B│ /boot/vmlinuz-4.15.0-43-generic and all modules under the directory │ (B│ /lib/modules/4.15.0-43-generic. This can only be fixed with a copy of │ (B│ the kernel image and the corresponding modules. │ (B│ │ (B│ It is highly recommended to abort the kernel removal unless you are │ (B│ prepared to fix the system after removal. │ (B│ │ (B│ Abort kernel removal? │ (B│ │ (B│  │ (B│ │ (B└──────────────────────────────────────────────────────────────────────────┘  [?12l[?25h(B(B  [?1049lE: Aborting removal of the running kernel dpkg: error processing package linux-image-4.15.0-43-generic (--remove): subprocess installed pre-removal script returned error exit status 1