This bug is annoying because the error message is displayed each time dpkg runs the gconf2 trigger:
Processing triggers for gconf2 ... WARNING: Failed to parse default value `' for schema (/schemas/apps/devhelp/state/main/contents/books_disabled) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751036 Title: WARNING: Failed to parse default value `' for schema (/schemas/apps/devhelp/state/main/contents/books_disabled) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs