The address to your Plesk control panel will vary as per your hosting package.
If you are currently on the Basic plan, your Plesk Control panel address is:
https://secureahbas101.activehost.com:8443
If you are currently on the Business plan, your Plesk Control panel address is:
https://secureahbiz101.activehost.com:8443
If you are currently on the Developer plan, your Plesk Control panel address is:
https://secureahdev101.activehost.com:8443
If you are on the business plan, or the Developer plan, it's possible that it could also be on:
https://ahw1010.activehost.com:8443
If you are experiencing problems logging in to your Plesk control panel, please contact Techincal Support.