title: Cannot resume saved Virtualbox state
body: <p>I get the following error after upgrading via Migration Assistant my laptop from a 2-core to a 4-core processor: </p>
  
  <blockquote>
    <p>cpum#1: X86_CPUID_FEATURE_ECX_MOVBE is not supported by the host but
    has already exposed to the guest [ver=17 pass=final]
    (VERR_SSM_LOAD_CPUID_MISMATCH).</p>
  </blockquote>
  
  <p>How can i resolve the same?</p>