Hi, please follow these steps:
– goto HMWP Start Tab, select “Medium Privacy – More Compatibility” scheme and save the settings
– goto General settings tab, enter your CDN URL in “cdn path” option field (http://codecanyon.net/item/hide-my-wp-no-one-can-know-you-use-wordpress/4177158/faqs/17469)
– goto Permalink & URLs tab and set “rename plugins” option to “all plugins”
Note: Assuming that it’s WP single site and Apache server. Your site’s htaccess file should be writeable.
If you’re still having the issue, then please let us know your website’s wp-admin login details as Private Reply so that we can look into the issue further.