I got the same error when upgrading from Edgy to Feisty: Could not initialize the package information
A unresolvable problem occurred while initializing the package information. Please report this bug against the 'update-manager' package and include the following error message: 'E:Opening /etc/apt/sources.list - ifstream::ifstream (13 Permission denied), E:The list of sources could not be read.' Thanks. -- Could not initialize the package information https://bugs.launchpad.net/bugs/147793 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