title: Selenium Chrome Driver "SessionNotCreatedError"
body: <p>I've ran this script daily for the last few months, and for some reason, today when it tries to to start, it throws this error:</p>
  
  <pre><code>There was an error while the code was executing.
  SessionNotCreatedError session not created exception from unknown error:
  Runtime.executioncontextCreated has invalid 'context':{"auxData":{frameId":"4120.1","isDefault":true, "id":1,"name":"","origin":"://"}
  (Session info: chrome=54.0.2840.59)
  (Driver info: chromedriver=2.21371459
  (36d3d07f660ff2bc1bf28a75d1cdabed0983e7c4, platform=Windows NT 6.1 SP1 x86_64)
  </code></pre>
  
  <p>Here's my code:</p>
  
  <pre><code>Dim drvSelenium As New Selenium.ChromeDriver
  
  drvSelenium.SetPreference "download.default_directory", MyFilePathHere
  drvSelenium.SetPreference "download.directory_upgrade", True
  drvSelenium.SetPreference "download.extensions_to_open", ""
  drvSelenium.SetPreference "download.prompt_for_download", False
  
  drvSelenium.Start "chrome", "http://www.google.com"
  </code></pre>
  
  <p>And it throws that error when it gets to the last line, and I'm not sure what changed.  I may have had some windows updates run over night, but I can't put my finger on what would cause this to not work all of a sudden :(</p>