Thank you for quick reply. I remove *ppa:xorg-edgers/ppa *using sudo
apt-add-repository --remove then run sudo apt-get update && sudo apt-get
dist-upgrade but still update-manager -d is not working. Same error.
On Sun, Mar 30, 2014 at 2:33 AM, Ubuntu Foundations Team Bug Bot <
1299...@bugs.launch
Reviewing the files from your upgrade attempt you seem to have enabled
the xorg-edgers-ppa. This will prevent the upgrade as that PPA contains
different versions of packages essential to Ubuntu. The page,
https://launchpad.net/~xorg-edgers/+archive/ppa, contains details on to
how to revert to the
