[Plugin: BackUpWordPress] Maximum execution time error in manual backup

I have already increase execution time in php.ini and also in wp-config and .htaccess file but still execution time error occour :

Fatal error: Maximum execution time of 120 seconds exceeded in C:\xampp\htdocs\silentedge\wp-content\plugins\backupwordpress\hm-backup\hm-backup.php on line 458

Please Help !

http://wordpress.org/extend/plugins/backupwordpress/

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