Unter Ubuntu 12.04 64bit scheitert auf meinem Rechner die Installation des Pakets "Linux kernel image for version 3.2.0 on 64bit x86 SMP" (linux-image-3.2.0-38-generic)

Folgende Fehlermeldung erscheint:

installArchives() failed: Setting up linux-image-3.2.0-24-generic (3.2.0-24.39) ...
Running depmod.
sh: 1: /usr/sbin/update-initramfs: not found
Failed to create initrd image.
dpkg: error processing linux-image-3.2.0-24-generic (--configure):
subprocess installed post-installation script returned error exit status 2
Setting up linux-image-3.2.0-38-generic (3.2.0-38.60) ...
Running depmod.
sh: 1: /usr/sbin/update-initramfs: not found
Failed to create initrd image.
dpkg: error processing linux-image-3.2.0-38-generic (--configure):
subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-generic:
linux-image-generic depends on linux-image-3.2.0-38-generic; however:
Package linux-image-3.2.0-38-generic is not configured yet.
dpkg: error processing linux-image-generic (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:No apport report written because the error message indicates its a followup error from a previous failure.

linux-generic depends on linux-image-generic (= 3.2.0.38.46); however:
Package linux-image-generic is not configured yet.
dpkg: error processing linux-generic (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
Errors were encountered while processing:
linux-image-3.2.0-24-generic
linux-image-3.2.0-38-generic
linux-image-generic
linux-generic
Error in function:
SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Setting up linux-image-3.2.0-24-generic (3.2.0-24.39) ...
Running depmod.
sh: 1: /usr/sbin/update-initramfs: not found
Failed to create initrd image.
dpkg: error processing linux-image-3.2.0-24-generic (--configure):
subprocess installed post-installation script returned error exit status 2
Setting up linux-image-3.2.0-38-generic (3.2.0-38.60) ...
Running depmod.
sh: 1: /usr/sbin/update-initramfs: not found
Failed to create initrd image.
dpkg: error processing linux-image-3.2.0-38-generic (--configure):
subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-generic:
linux-image-generic depends on linux-image-3.2.0-38-generic; however:
Package linux-image-3.2.0-38-generic is not configured yet.
dpkg: error processing linux-image-generic (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
linux-generic depends on linux-image-generic (= 3.2.0.38.46); however:
Package linux-image-generic is not configured yet.
dpkg: error processing linux-generic (--configure):
dependency problems - leaving unconfigured


Hat jmd einen Tipp, wie dies zu lösen sein könnte?