Please UseCodeTags when posting code or configuration. Unformatted code and configuration is unnecessarily difficult to read. You can edit your post by using the button.
In other words, how can anybody possibly tell you how to rectify the startup error (if that's what it actually is) without knowing anything about what's happening?
!ENTRY org.eclipse.help.base 4 4 2010-05-11 11:27:39.141
!MESSAGE Help documentation could not be indexed completely.
!SUBENTRY 1 org.eclipse.help.base 4 4 2010-05-11 11:27:39.141
!MESSAGE IO exception occurred while adding document /org.eclipse.jpt.doc.user/ref_persistence_general.htm to index C:\Users\Preetha\Documents\Downloads\Compressed\eclipse-jee-galileo-SR2-win32\eclipse\configuration\org.eclipse.help.base\index\en_US.
!STACK 0
java.io.IOException: Cannot rename C:\Users\Preetha\Documents\Downloads\Compressed\eclipse-jee-galileo-SR2-win32\eclipse\configuration\org.eclipse.help.base\index\en_US\segments.new to C:\Users\Preetha\Documents\Downloads\Compressed\eclipse-jee-galileo-SR2-win32\eclipse\configuration\org.eclipse.help.base\index\en_US\segments
at org.apache.lucene.store.FSDirectory.renameFile(FSDirectory.java:291)
at org.apache.lucene.index.SegmentInfos.write(SegmentInfos.java:95)
at org.apache.lucene.index.IndexWriter$4.doBody(IndexWriter.java:698)
at org.apache.lucene.store.Lock$With.run(Lock.java:109)
at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:696)
at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:658)
at org.apache.lucene.index.IndexWriter.maybeMergeSegments(IndexWriter.java:646)
at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:453)
at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:436)
at org.eclipse.help.internal.search.SearchIndex.addDocument(SearchIndex.java:223)
at org.eclipse.help.internal.search.IndexingOperation.addDocuments(IndexingOperation.java:252)
at org.eclipse.help.internal.search.IndexingOperation.addNewDocuments(IndexingOperation.java:159)
at org.eclipse.help.internal.search.IndexingOperation.execute(IndexingOperation.java:106)
at org.eclipse.help.internal.search.LocalSearchManager.updateIndex(LocalSearchManager.java:620)
at org.eclipse.help.internal.search.LocalSearchManager.ensureIndexUpdated(LocalSearchManager.java:594)
at org.eclipse.help.internal.search.federated.IndexerJob.run(IndexerJob.java:31)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)