Hi, i'm new to Rails and this is my first post. I need help with the installation of sqlite, i got the next error when i typed "gem install sqlite3-ruby": c:\ruby>gem install sqlite3-ruby Building native extensions. This could take a while... ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. c:/ruby/bin/ruby.exe extconf.rb install sqlite3-ruby checking for fdatasync() in rt.lib... no checking for sqlite3.h... no nmake "nmake" no se reconoce como un comando interno o externo, programa o archivo por lotes ejecutable. Gem files will remain installed in c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1 .2.4 for inspection. Results logged to c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4/ext/sqlite3_ api/gem_make.out some ideas? please help. Thanks -- Posted via http://www.ruby-forum.com/.