when I run ROF I have error #4 login error but it works offline. And after the launch of the update of 877 mega, when I run ROF, I have a black screen 1 second and back office without error message. I tried a recovery, clean install, DirectX 9, Dosnet, Net framwork and the VCC + + but it doesn't change anything.
With a clean installation, ROF works offline but unable to connect #4 and after the update, black screen and Back Office.
Can you help me? Thank you (sorry for my English, I am French)