In order to use the MC80 controllers on your EcoStruxure Control Expert V14.1, you will need to install the hotfix called "ControlExpert_V141_HF_MC80", below you can find the download link and the hotfix notes:
(Copy the following link and paste it in the search bar)
http://downloads.modicon.com/getFTPDoc.php/3b07796acb0a5d186531b3da8a5a9e4c
There is also this other hotfix called "ControlExpert_V141_HF_Multilanguages_Online_Help", which may be useful if you prefer another language other than English (German, Spanish, Italian, Chinese, and French).
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Support | Schneider Electric Global (se.com)