Most of the corn is set and run from admin section of the script like Drupal etc and its many user don’t know how to configure the cron by using the login details therefore cron is not executed as it need to be and client cancel to run the respective cron but now no need to worries, you can set the cron with the password in following format.
/usr/bin/curl http://support:password@www.yourdomainname.com/cron.php
In above format 1st you need to check the path for curl on your server by using “which curl” command and then use admin section login respectively to run cron.
