title: VirtualBox error when trying to run Ubuntu "Failed to open a session"
body: <p>Im trying to run Ubuntu in a virtual machine on virtual box. So far I have reinstalled virtualbox once to see if it was the cause, then I redownloaded the .iso, but when I try to run the machine it says it still won't run.</p>
  
  <p>Failed to open a session for the virtual machine ubuntu.</p>
  
  <p>The virtual machine 'ubuntu' has terminated unexpectedly during startup with exit code 1.</p>
  
  <p>Result Code: E_FAIL (0x80004005)
  Component: Machine
  Interface: IMachine {480cf695-2d8d-4256-9c7c-cce4184fa048}</p>