in the installable to cdrom selection in software sources the cdrom option is shown twice

[Rocksinboxes]

in the installable to cdrom selection in software sources the cdrom option is shown twice.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: apt 0.8.16~exp5ubuntu14.1 [modified: usr/bin/apt-cache usr/bin/apt-config usr/bin/apt-get usr/bin/apt-mark usr/lib/apt/methods/ftp usr/lib/apt/methods/gzip usr/lib/apt/methods/rred usr/lib/apt/methods/rsh]
ProcVersionSignature: Ubuntu 3.1.0-2.3-generic 3.1.0
Uname: Linux 3.1.0-2-generic x86_64
NonfreeKernelModules: fglrx wl
ApportVersion: 1.25-0ubuntu1
Architecture: amd64
Date: Tue Nov 8 00:28:56 2011
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111107)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: apt
UpgradeStatus: No upgrade log present (probably fresh install)

[Torsten Spindler (tspindler)]

Does this problem still exist in Precise? Where is the 'installable to cdrom option' in software sources? I have the tabs Ubuntu Software, Other Software, Updates, Authentication, Statistics.

[Launchpad Janitor (janitor)]

[Expired for apt (Ubuntu) because there has been no activity for 60 days.]