[ubuntu] 14.04 to 16.04, nvidia-prime_0.8.2 failure holding up all updates

root@DerekLaptopU:/home/derek# apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
ca-certificates-mono cli-common dh-apparmor evolution-indicator g++-4.8
gcc-4.8-base:i386 gcc-4.9-base:i386 gir1.2-clutter-gst-2.0
gir1.2-tracker-0.16 heirloom-mailx icedtea-netx icedtea-netx-common
libamd2.3.1 libatk-wrapper-java libatk-wrapper-java-jni libavformat54
libavresample1 libbasicusageenvironment0 libblkmaker-0.1-0
libboost-filesystem1.54.0 libboost-regex1.54.0 libcamd2.3.1 libccolamd2.8.0
libcgmanager0:i386 libcholmod2.1.2 libconcord3 libdbus-1-3:i386 libdvbpsi8
libept1.4.12 libetpan15 libfdk-aac0 libfreenect0.2 libgconf2-4 libgegl-0.2-0
libgif4 libgnome2-0 libgnome2-bin libgpac2 libgraphicsmagick3 libgroupsock1
libgtkhtml-4.0-0 libgtkhtml-4.0-common libgtkhtml-editor-4.0-0 libicc2
libidl-2-0 libidl-common libilmbase6 libimdi0 libiptcdata0
libjavascriptcoregtk-1.0-0 libjpeg9 liblcms1 liblivemedia23
libmediaart-1.0-0 libmono-corlib4.5-cil libmono-i18n-west4.0-cil
libmono-i18n4.0-cil libmono-security4.0-cil
libmono-system-configuration4.0-cil libmono-system-security4.0-cil
libmono-system-xml4.0-cil libmono-system4.0-cil libmozjs-31-0
libmusicbrainz5-0 libnih-dbus1:i386 libnih1:i386 libopenexr6 liborbit2
librpmsign1 libsctp1 libstdc++-4.8-dev libsvga1 libswresample0
libtinyxml2.6.2 libtracker-extract-0.16-0 libtracker-miner-0.16-0
libtracker-sparql-0.16-0 libts-0.0-0 libumfpack5.6.2 libusageenvironment1
libvidstab1.0 libwebkitgtk-1.0-0 libwebkitgtk-1.0-common libwxbase2.8-0
libwxgtk-media2.8-0 libwxgtk2.8-0 libx265-40 libxine1 libxine1-misc-plugins
libxine1-plugins libxine1-x libzzip-0-13 lksctp-tools mono-4.0-gac mono-gac
mono-runtime mono-runtime-common mono-runtime-sgen nvidia-opencl-icd-352
php5-common php5-gd php5-json python-support python-wxgtk2.8 tsconf
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
nvidia-prime
The following packages will be upgraded:
nvidia-prime
1 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
1 not fully installed or removed.
Need to get 11.1 kB of archives.
After this operation, 20.5 kB disk space will be freed.
Do you want to continue? [Y/n] y
Get:1 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 nvidia-prime amd64 0.8.2 [11.1 kB]
Fetched 11.1 kB in 0s (89.3 kB/s)
(Reading database ... 744326 files and directories currently installed.)
Preparing to unpack .../nvidia-prime_0.8.2_amd64.deb ...
Unpacking nvidia-prime (0.8.2) over (0.6.2) ...
mv: caot move '/etc/X11/xorg.conf' to '/etc/X11/xorg.conf.06252016': Operation not permitted
dpkg: waing: subprocess old post-removal script retued error exit status 1
dpkg: trying script from the new package instead ...
mv: caot move '/etc/X11/xorg.conf' to '/etc/X11/xorg.conf.06252016': Operation not permitted
dpkg: error processing archive /var/cache/apt/archives/nvidia-prime_0.8.2_amd64.deb (--unpack):
subprocess new post-removal script retued error exit status 1
mv: caot move '/etc/X11/xorg.conf' to '/etc/X11/xorg.conf.06252016': Operation not permitted
dpkg: error while cleaning up:
subprocess new post-removal script retued error exit status 1
Processing triggers for ureadahead (0.100.0-19) ...
Errors were encountered while processing:
/var/cache/apt/archives/nvidia-prime_0.8.2_amd64.deb
E: Sub-process /usr/bin/dpkg retued an error code (1)