I installed Eclipse INDIGO and JDK 1.6 in Vista. I follow the steps
Help -> Install new software -> Followed the Downloading the ADT Plugin. After accept the licence agreement it started installing on Background at that time it shows an error like
Installing software has encountered a problem
On Details Button it shows the complete Error like,
An error occurred while collecting items to be installed session context was:(profile=epp.package.java, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=). Unable to read repository at http://dl-ssl.google.com/android/eclipse/plugins/com.android.ide.eclipse.ddms_18.0.0.v201203301601-306762.jar. Read timed out