title: "The system cannot find the path specified" in prompt after conda 4.6 to 4.5 downgrade
body: <p>I am getting "The system cannot find the path specified" in the anaconda prompt and when I run cmd.exe.</p>
  
  <p>I recently downgraded from conda 4.6 to 4.5.</p>
  
  <p>(Posted here to point out this is happening due to conda).</p>