>>816
こういう結果になりました。アドバイスありがとうございました
後は自分で考えて見ます。。。

C:\Users\rock111\Downloads>gem install mini_portile
ERROR: Could not find a valid gem 'mini_portile' (>= 0), here is why:
Unable to download data from https://rubygems.org/ - SSL_connect retur
ned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (
https://rubygems.org/latest_specs.4.8.gz)

C:\Users\rock111\Downloads>gem install --local nokogiri-1.6.6.2-x86-mingw32.gem
ERROR: While executing gem ... (Gem::DependencyError)
Unable to resolve dependencies: nokogiri requires mini_portile (~> 0.6.0)