After running the command posted by mderakhs, you might need to restart X or (in my case) the entire machine before it starts working.
-- Desktop effects could not be enabled. Hardy Heron Alpha 4 https://bugs.launchpad.net/bugs/193702 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs