Thanks for your bugreport. This sounds like a duplicate of #51419 if you use it_IT locales.
Cheers, Michael ** Changed in: update-notifier (Ubuntu) Status: Unconfirmed => Needs Info -- install updates button doesn't work https://launchpad.net/bugs/67857 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs