Could you open a support request as this is an individual problem with your apt sources.list?
https://launchpad.net/distros/ubuntu/+addticket Link to this bug in your request as the support team can see. Thanks -- Adept: APT Database could not be opened https://launchpad.net/bugs/63093 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
