Hi Guys, I ran the following : gem list -r --backtrace -p 'http://proxy:80' ------------------ ERROR: While executing gem ... (NoMethodError) undefined method `[]=' for #<Gem::ConfigFile:0x2bc9164> C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/command.rb:258 C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/command.rb:186:in `call' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/command.rb:186:in `configure_options' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1291:in `call' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1291:in `parse_in_order' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1247:in `catch' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1247:in `parse_in_order' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1241:in `order!' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1332:in `permute!' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/1.8/optparse.rb:1353:in `parse!' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/command.rb:123:in `handle_options' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/command.rb:64:in `invoke' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/cmd_manager.rb:120:in `process_args' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/cmd_manager.rb:91:in `run' C:/InstantRails-1.7-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/gem_runner.rb:30:in `run' C:/InstantRails-1.7-win/InstantRails/ruby/bin/gem.bat:19 --- -- Posted via http://www.ruby-forum.com/.