Hi I had a similar problem on Ubuntu 14.04. After reading this conversation, I check the the Integration tab of Preference and saw Current Desktop Environment is set to XFCE!.
Though thanks for the clue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1305203 Title: wallch does not change wallpapers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wallch/+bug/1305203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs