title: Appcelerator error tunneling socket could not be established, statusCode=400
body: <p>Suddenly this error showing up whenever I try to run my android app in appcelerator. Any idea what caused this?</p>
  
  <pre><code>[ERROR] :  tunneling socket could not be established, statusCode=400
  [ERROR] Application Installer abnormal process termination. Process exit value was 1
  TRACE  | titanium exited with exit code 100
  ERROR  | Error: ti run exited with error code 100
      at ChildProcess.&lt;anonymous&gt; (C:\Users\Admin\.appcelerator\install\5.0.3\package\node_modules\appc-cli-titanium\plugins\run.js:89:23)
      at emitTwo (events.js:87:13)
      at ChildProcess.emit (events.js:172:7)
      at Process.ChildProcess._handle.onexit (internal/child_process.js:211:12)
  </code></pre>