For the Samsung, the problem seems to come from not updated packages Hence, some of the depositories are disabled when you upgrade ubuntu. Have a look here: https://launchpad.net/~voria/+archive/ppa?field.series_filter=natty
And see if the problem persists with the updated packages.
For the Samsung, the problem seems to come from not updated packages /launchpad. net/~voria/ +archive/ ppa?field. series_ filter= natty
Hence, some of the depositories are disabled when you upgrade ubuntu.
Have a look here: https:/
And see if the problem persists with the updated packages.