Post count: 20

At the end of the day, this issue is now solved !
The root cause is an issue with some arts (background pictures) contained in EmulationStation Menu.

To solve it :
1. Rename:
2. Download the file: es_theme_simple_v1.4 (9.9mb today)
available here:
3. Extract the folder: simple
4. Copy the folder: simple in /etc/emulationstation/themes/
5. Reboot

Thanks to Wagner Tick Biagioni Libardi.