Mysql-you cannot connect to "localhost" on the MySQL server "!

This occurs when MySQL-Front is installed. "you cannot connect to" localhost "on the MySQL server "!" The server name is: localhost port number is 3306 connection type: Direct user name is: root Password: 123456 (registration information is set after mysql is enabled, the password is tried according to the Internet: & quot; 123 & quot;, empty, none) is installed in drive C programFiles (x86). the folder contains ages and the Skins file is libMySQL. php, MySQL-Front.chm, MyS mysql

This occurs when MySQL-Front is installed. "you cannot connect to" localhost "on the MySQL server "!"
Server Name: localhost Port 3306 connection type: Direct

Username: root

Password: 123456 (the registration information is set after mysql is turned on, and the password is tried again on the internet: "123", blank, none)
Install it in drive C program Files (x86), which
The folder contains ages and Skins.

Files: libmysql.php, mysql-front.chm, mysql-front.pdf, PAD_File.xml, unins000.dat

Installer: unins000.exe, MySQL-Front.exe

(Enter mysql-u root-p on the Internet, and press enter to prompt that "mysql" is not an internal or external command, or a program or batch file that can be run .)
I have tried other methods to change the connection password to 127.0.0.1 and to change the hosts file.

How can I solve this problem? what should I do? The online method is useless if it is not applicable !!!!!
Urgent !!!! Thank you !!!!!!