title: ddms: 'adb.exe,start-server' failed -- run manually if necessary, Android Studio
body: <p>My adb is down, no matter I am using ADT or Android Studio.</p>
  
  <p>And according to the second answer <a href="https://stackoverflow.com/questions/15136252/android-adb-didnt-ack-issue-in-eclipse">of this SO question</a>, I did:</p>
  
  <ol>
  <li><p>I type:</p>
  
  <pre><code>adb nodaemon server
  </code></pre>
  
  <p>Output:</p>
  
  <pre><code>cannot bind 'tcp:5037'
  </code></pre></li>
  <li><p>Then <code>netstat -ano | findstr 5037</code></p>
  
  <p>I did find a pid of 7416 who listen in <code>127.0.0.1:5037</code></p></li>
  <li><p>I use <code>taskkill /pid 7416 -f</code> to kill it.</p></li>
  <li><p>I type <code>netstat -ano | findstr 5037</code> again, I found another pid listens at <code>127.0.0.1:5037</code> again!</p></li>
  </ol>
  
  <p>I guess they are the same, but I have no idea who it is.</p>
  
  <p>Can I simply have a easy way to release this port or change the adb port to another one?</p>