white screen issue on unity hub startup

white screen issue.I have recently downloaded unity hub with no any other documents or files.But as I open the unity hub it appear complete white with heading unity hub and a small sign at left corner .It doesn’t show any crash or any text at all regarding this bug or problem .the only thing I can do is just sign in from tray .
please help me .
thanks.

I have same issue after updating to 2019.1

were you able to find the issue with this? I am having the same trouble now. The Hub opens to a blank screen, other than Unity 2.1.0 in top left and the control button top right…