C:\Sites\dtr-payroll>rake assets:precompile
rake aborted!
You have already activated rake 10.0.4, but your Gemfile requires rake 10.0.3. Using bundle exec may solve this.
C:/Sites/dtr-payroll/config/boot.rb:6:in `<top (required)>'
C:/Sites/dtr-payroll/config/application.rb:1:in `<top (required)>'
C:/Sites/dtr-payroll/Rakefile:5:in `<top (required)>'
(See full trace by running task with --trace)