I use the English language (en_US.UTF-8) and tried the above solution (reproduce below) and it did not work. I am using the baseline as of 01/24/2012 (fully updated).
sudo locale-gen -purge sudo dpkg-reconfigure locales Reboot and log-in. Still get [Invalid UTF-8] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/874755 Title: calendar "[Invalid UTF-8]" (encoding problem) To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-datetime/+bug/874755/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs