problems with mysql

[kunja]

when i open phpmyadmin it shows error
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Error
MySQL said:
#2013 - Lost connection to MySQL server at 'reading initial communication packet', system error: 0

Connection for controluser as defined in your configuration failed.

phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server.
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so what i should do now?
i already uninstalled XAMPP and deleted all folders ...

[Audiomad]

Check your services make sure mysql is not still running its happened to me. go to run -> type msconfig -> services so if its there. Also make sure you don't have any mysql server software installed that could be clashing.

[kunja]

yesterday it still worked ... I tried to install ffmpeg and restarted xampp.
I was only copying some files in system32 and in xampp/php...
after some time noticed that phpmyadmin is showing error

[Narrowboyy]

Please check the \xampp\mysql\data\mysql.err file for any clues.

Also a forum search for the error message Connection for controluser as defined in your configuration failed may help with a solution.