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Updating Eclipse Kepler shows 'Backup of file eclipse.exe failed'

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Tried to update Eclipse Kepler but failed with message below.
An error occurred while uninstalling
session context was:(profile=epp.package.testing, phase=org.eclipse.equinox.internal.p2.engine.phases.Uninstall, operand=[R]org.eclipse.rcp.configuration_root.win32.win32.x86 1.0.0.v20130521-1847 --> null, action=org.eclipse.equinox.internal.p2.touchpoint.natives.actions.CleanupzipAction).
Backup of file D:\eclipse\eclipse.exe failed.
Can not remove : D:\eclipse\eclipse.exe
The workaround?

  1. Rename existing eclipse.exe to say eclipse1.exe
  2. Run eclipse1.exe
  3. Do Eclipse update 
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