Problem when opening

[theismarius]

HI, today i´ve launched cubik studio. Suddenly opens but the screen dissapears. Says its open and if you scroll over the toolbar you can see that is opened. But can´t see it in the screen.

Here are some image: https://imgur.com/a/ZnE73

thanks for all.

[Sphax]

Press Alt while white screen displays.
That bug is fixed in 2.9