root@unicron:/boot# apt-get install --reinstall linux-image-2.6.32-50-generic
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 1 not upgraded.
Need to get 31.9MB of archives.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]?
Get:1 http://ca.archive.ubuntu.com/ubuntu/ lucid-updates/main linux-image-2.6.32-50-generic 2.6.32-50.112 [31.9MB]
Fetched 31.9MB in 45s (699kB/s)
(Reading database ... 651089 files and directories currently installed.)
Preparing to replace linux-image-2.6.32-50-generic 2.6.32-50.112 (using .../linux-image-2.6.32-50-generic_2.6.32-50.112_amd64.deb) ...
Done.
Unpacking replacement linux-image-2.6.32-50-generic ...
Running postrm hook script /sbin/update-grub.
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
Searching for GRUB installation directory ... found: /boot/grub
Testing for an existing GRUB menu.lst file ...

Could not find /boot/grub/menu.lst file. Would you like /boot/grub/menu.lst generated for you? (y/N) y
Searching for splash image ... none found, skipping ...
Found GRUB 2: /boot/grub/core.img
Found kernel: /vmlinuz-2.6.32-50-generic
Found GRUB 2: /boot/grub/core.img
Updating /boot/grub/menu.lst ... done

Setting up linux-image-2.6.32-50-generic (2.6.32-50.112) ...
Running depmod.
update-initramfs: Generating /boot/initrd.img-2.6.32-50-generic
Failed to symbolic-link boot/initrd.img-2.6.32-50-generic to initrd.img: File exists
dpkg: error processing linux-image-2.6.32-50-generic (--configure):
 subprocess installed post-installation script returned error exit status 17
Errors were encountered while processing:
 linux-image-2.6.32-50-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)