Hello.
Is this a clean new install of MySQL, or you have already installed
MySQL instance? Please provide more information about your OS version
(I guess it is Windows, isn't it?). May be some tips from the manual
could be helpful:
http://dev.mysql.com/doc/refman/5.0/en/windows-troubleshoo
First off to maybe make this easy on you, you do not need the
MySQL-bench rpm if you do not plan on using the benchmarking tools. It
is an optional install.
Otherwise, I do not think rpm cares about capitalization. I believe this
problem is discussed in the MySQL manual, and might have the solut