Hi! I have install macruby 0.4 $ macirb irb(main):001:0> require 'net/http' LoadError: no such file to load -- socket.rb.bundle from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/ 1.9.1/net/protocol.rb:21:in `require' from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/ 1.9.1/net/protocol.rb:21:in `<top (required)>' from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/ 1.9.1/net/http.rb:28:in `require' from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/ 1.9.1/net/http.rb:28:in `<top (required)>' from (irb):1:in `require' from (irb):1 from /usr/local/bin/macirb:12:in `<main>' But I have socket.bundle in /Library/Frameworks/MacRuby.framework/ Versions/0.4/usr/lib/ruby/1.9.1/universal-darwin9.5 thanks! Sergei Homjakov