Strange plugin error on Bitnami redmine 1.3.2

My server is Win XP 32bit I installed code_review (0.4.7) plugins Plugin installation as follow 1. Copy the plugin directory into the vendor/plugins directory

 2. Migrate plugin:
  rake db:migrate_plugins RAILS_ENV=production

no error report

1. Restart Redmine

when i login in

http://localhost/redmine

it reports proxy erro

Thanks for your help!