Software updated failed

[JD]

On 12/07/2012 02:20 AM, Colin Law wrote:
> On 7 December 2012 03:32, JD <jd1008 at gmail.com> wrote:
>> This is the error message:
>>
>> W:GPG error: http://repo.mate-desktop.org quantal InRelease: The following
>> signatures couldn't be verified because the public key is not available:
>> NO_PUBKEY 68980A0EA10B4DE8,
>> W:GPG error: http://packages.mate-desktop.org quantal Release: The following
>> signatures couldn't be verified because the public key is not available:
>> NO_PUBKEY 68980A0EA10B4DE8,
>> W:Failed to fetch cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386
>> (20120423)/dists/precise/main/binary-i386/Packages Please use apt-cdrom to
>> make this CD-ROM recognized by APT. apt-get update cannot be used to add new
>> CD-ROMs,
>> W:Failed to fetch cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386
>> (20120423)/dists/precise/restricted/binary-i386/Packages  Please use
>> apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be
>> used to add new CD-ROMs,
>> E:Some index files failed to download. They have been ignored, or old ones
>> used instead.
>>
>> Question is why is it looking for
>> cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386
>> (20120423)/dists/precise/restricted/binary-i386/Packages
> In System Settings > Software Sources check that the CD is not
> selected as a source in any of the tabs.
>
> Colin
Thanx. That was it!