Your description doesn't indicate a bug in Ubuntu, but rather a bad command in that guide. You should contact the author of the guide to report the problem.
BTW, You can fix the problem by editing the file ppa.list (with the following command): gksudo gedit /etc/apt/sources.list.d/ppa.list The file should look like this: #PPA openoffice-pkgs deb http://ppa.launchpad.net/openoffice-pkgs/ppa/ubuntu jaunty main I've marked your bug as Invalid ** Changed in: update-manager (Ubuntu) Status: New => Invalid -- Update Manager could not initialize the package information https://bugs.launchpad.net/bugs/376745 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