activate problem in coppermine plugins

after activate thp plugins it shows me following error

“
Warning: mysql_connect() [function.mysql-connect]: Access denied for user ‘admin’@’localhost’ (using password: YES) in C:\xampp\htdocs\baseball\wp-content\plugins\wp-cpg-widget\wp-cpg-plugin.php on line 188 “

where is my problem pls help me