Please check your /etc/apt/sources.list, remove the error(s) on line 52 and try again. Note that lines with repositories start with either "deb" or "deb-src", NOT "sudo".
** Changed in: update-manager (Ubuntu) Status: New => Invalid -- E:Ο τύπος 'sudo' στη γραμμή 52 στη λίστα πηγών /etc/apt/sources.list είναι άγνωστος , E:Αδύνατη η ανάγνωση της λίστας πηγών.' https://bugs.launchpad.net/bugs/144234 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