title: VirtualBox Error: Failed to open a session for a virtual machine. Module not Found
body: <p>I going to run Android Emulator on VirtualBox. All the configuration is right,but when I start virtual machine, the program alerts me:</p>
  
  <pre><code>VirtualBox - Error
  Failed to open a session for a virtual machine
  Android-2.2-Generic
  Module not found(VERR_MODULE_NOT_FOUND)
  
  Details
  Result Code: E_FAIL (0x80004005)
  Component:Console
  Interface:IConsole{1968b7d3-e3bf-4ceb-99e0-cb7c913317bb}
  </code></pre>
  
  <p>What can I do in this situation?</p>