I'm running a clean install of Ruby 2.2.1 on Windows 8.1 with DevKit. After the installation I run: gem install rails rails new testapp cd testapp rails server leaving everything else at default. The process fails at the last line when, instead of running the server, I get the error message in 'require': cannot load such file -- 'nokogiri\nokogiri' (LoadError) It happens every time and I've looked

