title: not in gzip format error
body: <p>while installing any Gem or doing any listing of gem gzip related error comes as shown below:-</p>
  
  <pre><code>C:\Documents and Settings\gangunra&gt;gem install rhosync -v 2.0.0.beta7 --pre
  
  ERROR:  While executing gem ... (Zlib::GzipFile::Error)
      not in gzip format
  
  C:\Documents and Settings\gangunra&gt;gem list rails -r
  
  *** REMOTE GEMS ***
  
  ERROR:  While executing gem ... (Zlib::GzipFile::Error)
      not in gzip format
  </code></pre>
  
  <p>Please help me out how to reslove this</p>