It looks like the PPA still exists, so you may want to try removing it and readding it.
https://launchpad.net/~jolicloud- team/+archive/ubuntu/ppa?field.series_filter=precise ** Project changed: apt => apt (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1420974 Title: Update not working on Ubuntu 12.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1420974/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs