Jeff,
Should the ‘system_folder’ value match the ‘cp_url’ value?
It should match the folder name used in the the cp_url value, yes.
Can you provide a little help on the work on the htaccess file? Not 100% sure where/how to work on it.
We just need you to disable it. You can do this easily by renaming it temporarily. Are you using any third party add-on to control it like Leevi’s