I’ve installed “SSL Insecure Content Fixer” plugin to take care of the issue. Now “replace in html” is working fine.
I’ve applied these settings:
– in HMWP start tab, set ‘Medium Privacy – More Compatibility’ scheme and save the settings
– in HMWP permalinks & urls tab, set “rename plugins” option to “all plugins” and save the settings
Note: The backend login URL is http://www.YourDomain.com/wp-login.php?hide_my_wp=1234 (you can change secret code “hide_my_wp=1234” from general settings tab)