My Sql Error When I Start MYSql....

[nandish]

When am Satart My SQL Problem occurs. plz can any one answer this
Problem detected!
15:53:45 [mysql] Port 3306 in use by ""C:\Program Files (x86)\MySQL\MySQL Server 5.1\bin\mysqld" --defaults-file="C:\Program Files (x86)\MySQL\MySQL Server 5.1\my.ini" MySQL"!
15:53:45 [mysql] MySQL WILL NOT start without the configured ports free!
15:53:45 [mysql] You need to uninstall/disable/reconfigure the blocking application
15:53:45 [mysql] or reconfigure MySQL and the Control Panel to listen on a different por

[Altrea]

This messages are self speaking i think.
You already have another MySQL running on the needed ports.
We don't know anything why this MySQL is running on your PC. XAMPP MariaDB can only start if the ports are free.