@dpn: Please check your Internet connection. Try to open one of the URLs in your browser, e.g. Firefox.
@Toufik: Do you still see the error? otherwise I would like to close this bug report. -- Update-manager does NOT download nor install softwares https://launchpad.net/bugs/70033 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
