Comment 2 for bug 395406

This is actually a duplicate of bug 269539 so I am marking it as such. Please continue to track this issue at that report. The following is just an excerpt from you DpkgTreminalLog.gz file:

Merging changes into the new version

 Conflicts found! Please edit `/var/run/grub/menu.lst' and sort them out manually.

 The file `/var/run/grub/menu.lst.ucf-new' has a record of the failed merge of the configuration file.

User postinst hook script [/sbin/update-grub] exited with value 3

dpkg: errore processando linux-image-2.6.28-13-generic (--configure):

 il sottoprocesso post-installation script ha restituito un codice di errore 3