Hi, please follow these steps:
– goto HMWP >> ‘Start’ Tab >> ‘Medium Pripacy – More Compatibility’
scheme >> click ‘Save Settings’
– in General settings tab, uncheck “Disable directory listing” option
Note: Assuming that it’s WP single site and Apache server. Your site’s htaccess file should be writeable.
If you are still having issue, then please let us know your website backend details (as private message) so that we can have a look at the issue. Also let us know the steps to reproduce the issue.