ruby-on-rails - Windows 8 での execjs (LoadError)

Question

私はこの血まみれのエラーを修正しようと何日も費やしましたが、それでもうまくいきませんでした.stackoverflowや他のサイトでできるすべての解決策を試しました. ご存知のように、nodejsをダウンロードしてインストールしました。

エラートレースは次のとおりです。

C:\Sites\RDB>rails C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/coffee-script-2.4.1/lib/cof fee_script.rb:1:in require': cannot load such file -- execjs (LoadError) from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/coffee-script- 2.4.1/lib/coffee_script.rb:1:in'からC:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/coffee-script-2.4.1/lib/coffee-script.rb:1:in require' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/coffee-script- 2.4.1/lib/coffee-script.rb:1:in' from C:/RailsInstaller/Ruby2.0.0 /lib/ruby/gems/2.0.0/gems/coffee-rails-4 .1.1/lib/coffee-rails.rb:1:in require' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/coffee-rails-4 .1.1/lib/coffee-rails.rb:1:in' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0 .0/gems/bundler-1.7.7/ lib/bundler/runtime.rb:76: require' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/ lib/bundler/runtime.rb:76:inC:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/からrequire内のブロック(2段) gems/bundler-1.7.7/ lib/bundler/runtime.rb:72: each' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/ lib/bundler/runtime.rb:72:inrequire のブロック内 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7 から/ lib/bundler/runtime.rb:61:ineach' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/ lib/bundler/runtime.rb:61:inrequire' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/ lib/bundler.rb:133:in require' from C:/Sites/RDB/config/application.rb:11:in' from C:/RailsInstaller/Ruby2.0.0/ lib/ruby/gems/2.0.0/gems/railties-4.2.4 /lib/rails/commands/commands_tasks.rb:78:in require' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.4 /lib/rails/commands/commands_tasks.rb:78:inblock in server' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems /2.0.0/gems/railties-4.2.4 /lib/rails/commands/commands_tasks.rb:75:in tap' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.4 /lib/rails/commands/commands_tasks.rb:75:inserver' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/ railties-4.2.4 /lib/rails/commands/commands_tasks.rb:39:in run_command!' from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.4 /lib/rails/commands.rb:17:in' from bin/rails:9:in require' from bin/rails:9:in'