安裝Java的IDE Eclipse時出現java.net.SocketException,出現錯誤Installer failed，show.log

ERROR: org.eclipse.equinox.p2.transport.ecf code=1002 Unable to read repository at http://download.eclipse.org/oomph/updates/milestone/latest/content.xml.
java.net.SocketException: Software caused connection abort: recv failed
  at java.net.SocketInputStream.socketRead0(Native Method)
  at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
  at java.net.SocketInputStream.read(SocketInputStream.java:170)
  at java.net.SocketInputStream.read(SocketInputStream.java:141)
  at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:160)
  at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:84)
  at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:273)
  at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140)
  at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
  at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:260)
  at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283)
  at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:251)
  at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:197)
  at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271)
  at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
  at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:685)
  at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:487)
  at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
  at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
  at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientFileSystemBrowser.runRequest(HttpClientFileSystemBrowser.java:259)
  at org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser$DirectoryJob.run(AbstractFileSystemBrowser.java:69)
  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

 在幫同學安裝一個Java的IDE Eclipse None時，出現各種報錯，顯示java.net.SocketException，然后又出現什么No File。。。好像是什么.zip出錯，我很奇怪。糾結了好久，網上找了各種資料。終於在一篇英文網頁上找到了似乎對的答案，上邊說：需要選擇安裝包后右擊->以管理員身份運行，我也試過了，還是不行。又認真看了一下那篇的回答，覺得挺對的。但找不到問題所在。后來問了一下她，原來她的系統本身就不是管理員身份登錄的。換作管理員身份登錄到她的系統之后，再以管理員身份運行。Perfect！完美解決。