The same happened to me but I've resetted the setting (in my case show desktop) with the "x" symbol and then re-setted and from that it didn't happened more also after several restarts.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/979850 Title: Compizconfig does not save the settings of the "Expo Edge". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compizconfig-settings-manager/+bug/979850/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs