Resetear root de mysql

[marangob]

sigo las intrucciones y me genera este error

C:\>"C:\Program Files\MySQL\MySQL Server 5.1\bin\mysqld" --defaults-file="C:\Pro
gram Files\MySQL\MySQL Server 5.1\my.ini" -- init-file=C:\mysql-init.txt

090507 14:32:13 InnoDB: Operating system error number 5 in a file operation.
InnoDB: The error means mysqld does not have the access rights to
InnoDB: the directory. It may also be you have created a subdirectory
InnoDB: of the same name as a data file.
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'open'.
InnoDB: Cannot continue operation.