Hi, Excuse me for my english. After some difficulty, I managed to install Ruby 2.2.1 and Rails 4.2.1 on a machine windows 7 32-bit. After create test project (rails new first_app) When when I do rails server in folder first_app I obtains : c:/Ruby22/lib/ruby/gems/2.2.0/gems/sqlite3-1.3.10-x86-mingw32/lib/sqlite3.rb:6:in `require': cannot load such file -- sqlite3/sqli te3_native (LoadError) from c:/Ruby22/lib/ruby/gems/2.2.0/gems/sqlite3-1.3.10-x86-mingw32/lib/sqlite3.rb:6:in `rescue in <top (required)>' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/sqlite3-1.3.10-x86-mingw32/lib/sqlite3.rb:2:in `<top (required)>' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:76:in `require' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:76:in `block (2 levels) in require' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:72:in `each' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:72:in `block in require' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:61:in `each' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler/runtime.rb:61:in `require' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.9.1/lib/bundler.rb:134:in `require' from D:/bruno/Language_prog/RAILS/RailsProject/first_app/config/application.rb:7:in `<top (required)>' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:in `require' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:in `block in server' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in `tap' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in `server' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!' from c:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.1/lib/rails/commands.rb:17:in `<top (required)>' from bin/rails:4:in `require' from bin/rails:4:in `<main>'
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