I've had that happen with a new Gutsy Gibbon installation. It's especially irritating if you only have an external CD/DVD drive.
Probably a possibility for the user to switch easily between media and networked sources on the fly and without deeper insights on the inner workings of apt/synaptics would be ideal. -- [feisty] Installing from alternate install CD leaves cdrom source in apt's sources.list https://bugs.launchpad.net/bugs/97669 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs