title: Uninstalling and reinstalling Eclipse in Ubuntu 12.04
body: <p>I manually installed Eclipse in Ubuntu 12.04 then simply deleted the folder where I put the Eclipse and reinstalled it again from the Ubuntu application store.</p>
  
  <p>When I try to update my new installation I get the following error.</p>
  
  <p>How can I do a clean nuinstalation and reinstallation?</p>
  
  <p>An error occurred while uninstalling
  session context was:(profile=PlatformProfile, phase=org.eclipse.equinox.internal.p2.engine.phases.Uninstall, operand=[R]org.eclipse.platform_root 3.7.2.dist-9nF7UHagFqn9pElwWhC90gLz-soEuSGYmtSeiRH --> null, action=org.eclipse.equinox.internal.p2.touchpoint.natives.actions.CleanupzipAction).
  Backup of file /usr/lib/eclipse/.eclipseproduct failed.
  File that was copied to backup could not be deleted: /usr/lib/eclipse/.eclipseproduct</p>