Thin errors out -> `gem_original_require': no such file to load -- daemons

i installed thin thin 0.6.4 (x86-mswin32-60) and eventmachine 0.8.1
(i386-mswin32)
i went to my script folder under rails and want to start it. but it
fails with this error. not sure what gem i am missing.

E:\TradingTools\script>thin start
e:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
gem_original_require': no such file to load -- daemons (LoadError) from e:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb: 27:inrequire’
from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/
lib/thin/daemonizing.rb:2
from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/
lib/thin/server.rb:46
from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/
lib/thin/controllers/controller.rb:28:in start' from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/ lib/thin/runner.rb:143:insend’
from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/
lib/thin/runner.rb:143:in run_command' from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/ lib/thin/runner.rb:114:inrun!’
from e:/ruby/lib/ruby/gems/1.8/gems/thin-0.6.4-x86-mswin32-60/
bin/thin:6
from e:/ruby/bin/thin:16:in `load’
from e:/ruby/bin/thin:16

I created a ticket for that:
http://thin.lighthouseapp.com/projects/7212-thin/tickets/45-thin-on-windows-errors-on-missing-gem

We’ll get it fixed. As a work-around, you can install the ‘daemons’ gem.