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Please delete line 1 of /etc/apt/sources.list.d/medibuntu.list and try again. If it works, please close the bug (or say so and I will close it for you) If it doesn't work, please attach -don't paste- your /etc/apt/sources.list.d/medibuntu.list file to this bug. Thanks in advance ** Changed in: ubuntu Status: New => Incomplete -- update manager bug-Error opening cache. list of sources cannot be read https://bugs.launchpad.net/bugs/302625 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