Mysql loding error

C:\Program Files\NetBeans 6.5.1\gca>gem install mysql
Successfully installed mysql-2.7.3-x86-mswin32
1 gem installed
Installing ri documentation for mysql-2.7.3-x86-mswin32…
Installing RDoc documentation for mysql-2.7.3-x86-mswin32…
ERROR: While generating documentation for mysql-2.7.3-x86-mswin32
… MESSAGE: Unhandled special: Special: type=17, text=""
… RDOC args: --op
c:/ruby/lib/ruby/gems/1.8/doc/mysql-2.7.3-x86-mswin32/rdoc -
-exclude ext --main README --quiet ext README docs/README.html --title
mysql-2.7
.3-x86-mswin32 Documentation
(continuing with the rest of the installation)

What to do???
in browser it gives the error :
126: The specified module could not be found. -
c:/ruby/lib/ruby/gems/1.8/gems/mysql-2.7.3-x86-mswin32/ext/mysql.so

What to do???
in browser it gives the error :
126: The specified module could not be found. -
c:/ruby/lib/ruby/gems/1.8/gems/mysql-2.7.3-x86-mswin32/ext/mysql.so

check your error logs. Also it might mean mysql wasn’t installed on
your comp.
-=r