$ vagrant.exe up Bringing machine 'barge' up with 'virtualbox' provider... ==> barge: Checking if box 'ailispaw/barge' is up to date... Your VM has become "inaccessible." Unfortunately, this is a critical error with VirtualBox that Vagrant can not cleanly recover from. Please open VirtualBox and clear out your inaccessible virtual machines or find a way to fix them.