title: android sdk manager not updating
body: <p>While trying to update my eclipse sdk manger for android I'm getting the following error instead of updating:</p>
  
  <pre><code>Downloading Android SDK Platform-tools, revision 20
  URL not found: C:\Program Files\Android\android-sdk\temp\platform-tools_r20-windows.zip (Access is denied)
  Downloading Documentation for Android SDK, API 19, revision 2
  URL not found: C:\Program Files\Android\android-sdk\temp\docs-19_r02.zip (Access is denied)
  Downloading SDK Platform Android 4.4.2, API 19, revision 3
  URL not found: C:\Program Files\Android\android-sdk\temp\android-19_r03.zip (Access is denied)
  Downloading SDK Platform Android 4.3, API 18, revision 2
  URL not found: C:\Program Files\Android\android-sdk\temp\android-18_r02.zip (Access is denied)
  Downloading Samples for SDK API 19, revision 5
  URL not found: C:\Program Files\Android\android-sdk\temp\samples-19_r05.zip (Access is denied)
  Downloading Sources for Android SDK, API 19, revision 2
  URL not found: C:\Program Files\Android\android-sdk\temp\sources-19_r02.zip (Access is denied)
  Skipping 'Android SDK Tools, revision 23'; it depends on 'Android SDK Platform-tools, revision 20' which was not installed.
  Done. Nothing was installed.
  </code></pre>