Error Access denied for user: 'root@localhost'

[xcorpion]

puedes modificar el my.ini que esta en c:\windows se tiene que ver asi:

#This File was made using the WinMySQLAdmin 1.4 Tool
#12/06/2004 12:44:06 p.m.

#Uncomment or Add only the keys that you know how works.
#Read the MySQL Manual for instructions

[mysqld]
basedir=C:/mysql
#bind-address=127.0.0.1
datadir=C:/mysql/data
#language=C:/mysql/share/your language directory
#slow query log#=
#tmpdir#=
#port=3306
#set-variable=key_buffer=16M
[WinMySQLadmin]
Server=C:/mysql/bin/mysqld-nt.exe
user=root
password=passwordroot