package linux-image-4.4.0-28-generic 4.4.0-28.47 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1

[eduardo ribeiro mundim]

i was operating as always my notebook as the update was running

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-28-generic 4.4.0-28.47
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: eduardo 1172 F.... pulseaudio
Date: Wed Jul 6 22:25:36 2016
ErrorMessage: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
HibernationDevice: RESUME=UUID=ceaac84f-b90c-4d06-83e0-b780d7c7f811
InstallationDate: Installed on 2016-05-01 (68 days ago)
InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Dell Inc. Inspiron N4050
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=2b021bdb-1294-4b91-a025-edafb4b4d5a3 ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: grub-pc 2.02~beta2-36ubuntu3
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: initramfs-tools
Title: package linux-image-4.4.0-28-generic 4.4.0-28.47 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/16/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0X0DC1
dmi.board.vendor: Dell Inc.
dmi.board.version: A04
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd08/16/2011:svnDellInc.:pnInspironN4050:pvrNotSpecified:rvnDellInc.:rn0X0DC1:rvrA04:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron N4050
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.