Do you enable hardware acceleration in your vbox VM? graphic acceleration is needed for mtter.
** Changed in: mutter (Ubuntu) Status: New => Incomplete -- mutter will not start (Window manager error: Unable to initialize Clutter.) https://bugs.launchpad.net/bugs/592683 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