Try this: sudo gedit /etc/apt/sources.list and copy the contents of sources.txt to it, then run sudo apt-get update && sudo apt-get upgrade in Terminal.
-- Updating System https://bugs.launchpad.net/bugs/105237 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
