Hi cheapcontainerhomes,
Thanks for posting your question. I'm more than happy to assist you today. First, you'll need to change you cPanel password in AMP. Once you have changed your cPanel password in AMP, then you should be able to log into cPanel from the AMP interface. Here's our guide on changing your cpanel password and how to log into cPanel:
Changing your cPanel password in AMPHow to log into cPanel
If you need further assistance please feel free to contact us.
Thanks!
Tim S