title: installing additional eclipse indigo files
body: <p>After downloading Eclipse Indigo  on a clean pc, when I try to download from <a href="http://dl.google.com/eclipse/plugin/3.7" rel="nofollow">http://dl.google.com/eclipse/plugin/3.7</a>  and download SDKs and Google Plugin , at about 35% of the way through I start getting errors.</p>
  
  <pre><code>Install download1
  An internal error occurred during: "Install download1".
  Comparison method violates its general contract!
  
  Install download2
  An internal error occurred during: "Install download1".
  Comparison method violates its general contract!
  
  Install download3
  An internal error occurred during: "Install download1".
  Comparison method violates its general contract!
  
  Installing Software
  An error occurred while collecting items to be installed
  session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
  Multiple problems occurred while downloading.
  Unable to write to repository: file:/C:/Users/erice/Downloads/eclipse-jee-indigo-win32-x86_64/eclipse/.
  C:\Users\erice\Downloads\eclipse-jee-indigo-win32-x86_64\eclipse\plugins\com.ning.async-http-client_1.6.3.201112281337.jar (Access is denied)
  Unable to write to repository: file:/C:/Users/erice/Downloads/eclipse-jee-indigo-win32-x86_64/eclipse/.
  C:\Users\erice\Downloads\eclipse-jee-indigo-win32-x86_64\eclipse\plugins\com.ning.async-http-client_1.6.3.201112281337.jar (Access is denied)
  No repository found containing: osgi.bundle,org.eclipse.m2e.archetype.common,1.0.200.20111228-1245
  No repository found containing: osgi.bundle,org.eclipse.m2e.maven.indexer,1.0.200.20111228-1245
  No repository found containing: osgi.bundle,org.eclipse.m2e.maven.runtime,1.0.200.20111228-1245
  No repository found containing: osgi.bundle,org.jboss.netty,3.2.4.Final-201112281337
  </code></pre>
  
  <p>Any clues?</p>