The preferred way to get to cPanel is to log in to the Account Panel
https://x10hosting.com/control/login.php
Free Hosting active username yourUserName »
View Details
click of View Details which should take you to a page with a button "Login to cPanel" , click it.
If the page does not have the button (IE has a problem with the page, Firefox and Chrome do not), try using the link:
https://chopinnew.x10hosting.com:2083/login/
If you still cannot get logged on, post exactly what your problem is ("Failed login" message, page does not load, etc)