CSV高速開く君でエラーが発生しています。
端末は一台ではなく、全端末でエラーが出ているのでOSの問題でしょうか。
尚、本日からエラーが発生し、昨日まで使用できておりました。
エラーログは以下の通りです、

C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/net/http.rb:921:in `connect'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/net/http.rb:921:in `block in connect'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/site_ruby/timeout.rb:53:in `timeout'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/net/http.rb:921:in `connect'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/net/http.rb:862:in `do_start'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/net/http.rb:851:in `start'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:313:in `open_http'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:709:in `buffer_open'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:210:in `block in open_loop'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:208:in `catch'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:208:in `open_loop'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:149:in `open_uri'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:689:in `open'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/2.0.0/open-uri.rb:34:in `open'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/lib/ruby/site_ruby/authkey.rb:17:in `execute'
C:/Users/ASUS_N~1/AppData/Local/Temp/ocrA2F9.tmp/src/fastcsv.rb:57:in `<main>'
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed