Moving to xubuntu-artwork as it's the package owning the plymouth theme which is the most likely cause for this issue.
** Package changed: casper (Ubuntu) => xubuntu-artwork (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/752994 Title: Xubuntu: Check Disc for Defects Useless To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/752994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs