Hi again WanWizard,
again THANKS!
The issue is fixed itself, i did not change anything and suddenly the EPG appears.
I suspect the the real reason is that the DreamBox 500 HD is old hardware and require a very long time to thread data... Otherwise i dont know what to think because, i promiss you, i did not change a single coma into the the system.
Anyway, system work and i thank you for your kind answers!
This situation make me think to this image:
Cheers!