error instalation

hi,
I want to install wordpress on xaamp,but when I enter username,password and login ,I see this message’To allow use of this page to automatically repair database problems, please add the following line to your wp-config.php file. Once this line is added to your config, reload this page.

define(‘WP_ALLOW_REPAIR’, true);’

and I do it but It’s not successful.what should I do,I’m tired.