title: "rails server" not working
body: <p>I am using window 7. 
  I have upgraded rails 2.0.2 to rails 3.0.9 with ruby as 1.8.7. I have changed in evironment.rb as: </p>
  
  <blockquote>
    <p>RAILS_GEM_VERSION = '3.0.9' unless defined? RAILS_GEM_VERSION</p>
  </blockquote>
  
  <p>still I am unable to start server. </p>
  
  <blockquote>
    <p>RubyGems Environment:
      - RUBYGEMS VERSION: 1.7.2
      - RUBY VERSION: 1.8.7 (2011-06-30 patchlevel 352) [i386-mingw32]
      - INSTALLATION DIRECTORY: C:/InstantRails-2.0-win/ruby/lib/ruby/gems/1.8
      - RUBY EXECUTABLE: C:/InstantRails-2.0-win/ruby/bin/ruby.exe
      - EXECUTABLE DIRECTORY: C:/InstantRails-2.0-win/ruby/bin
      - RUBYGEMS PLATFORMS:
        - ruby
        - x86-mingw32
      - GEM PATHS:
         - C:/InstantRails-2.0-win/ruby/lib/ruby/gems/1.8
         - C:/Users/SUKETA/.gem/ruby/1.8
      - GEM CONFIGURATION:
         - :update_sources => true
         - :verbose => true
         - :benchmark => false
         - :backtrace => false
         - :bulk_threshold => 1000
         - :sources => ["http://gems.github.com", "http://rubygems.org/"]
      - REMOTE SOURCES:
         - <a href="http://gems.github.com" rel="nofollow">http://gems.github.com</a>
         - <a href="http://rubygems.org/" rel="nofollow">http://rubygems.org/</a> </p>
  </blockquote>
  
  <p>Any suggestion  </p>