Running first Android application - error message
<p>I am getting this error when I am trying to launch my first <em>Hello World</em> Android application. I am doing the tutorial based on <em><a href="http://rads.stackoverflow.com/amzn/click/0321673352" rel="nofollow">Sams Teach Yourself Android Application Development in 24 Hours</a></em>.How can I resolve this?</p>

<blockquote>
  <p>[2011-08-18 02:33:28 - droidapp] ------------------------------
  [2011-08-18 02:33:28 - droidapp] Android Launch!
  [2011-08-18 02:33:28 - droidapp] adb is running normally.
  [2011-08-18 02:33:28 - droidapp] Performing com.droid.app.DroidappActivity activity launch
  [2011-08-18 02:33:28 - droidapp] Automatic Target Mode: Preferred AVD 'firstdroid' is not available. Launching new emulator.
  [2011-08-18 02:33:28 - droidapp] Launching a new emulator with Virtual Device 'firstdroid'</p>
  
  <p><strong>[2011-08-18 02:33:30 - Emulator] invalid command-line parameter:
  Files\Android\android-sdk\tools/emulator-arm.exe. [2011-08-18 02:33:30
  - Emulator] Hint: use '@foo' to launch a virtual device named 'foo'.
  [2011-08-18 02:33:30 - Emulator] please use -help for more
  information</strong></p>
</blockquote>
