Impossible to open Across | I could not open Across at all

Forum: Across support
Topic: Impossible to open Across
Poster: LINDA BERTOLINO
Post title: I could not open Across at all

I tried to open Across from the Start bar in Windows 7 but after clicking a black screen opens and it does not disappear. The system says that Across is running but there is no bar, no way to click on the white window.