# apt-get remove linux-image-2.6-686
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package linux-image-2.6-686 is not installed, so not removed
The following packages will be REMOVED:
  linux-image-2.6.32-5-686
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
2 not fully installed or removed.
After this operation, 79.6 MB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 30613 files and directories currently installed.)
Removing linux-image-2.6.32-5-686 ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.32-5-686 /boot/vmlinuz-2.6.32-5-686
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.32-5-686 /boot/vmlinuz-2.6.32-5-686
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... Generating /boot/grub/default file and setting the default boot entry to 0
entry not specified.
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-2.6.32-5-686.postrm line 234.
dpkg: error processing linux-image-2.6.32-5-686 (--remove):
 subprocess installed post-removal script returned error exit status 1
configured to not write apport reports
                                      Errors were encountered while processing:
 linux-image-2.6.32-5-686
E: Sub-process /usr/bin/dpkg returned an error code (1)