We have received several reports from customers about this kind of alert after the update on 2019/4/11.
It is the face that many accounts are still working well after this alert, but it started to show just few days ago and we still have little information about it. So it is difficult for us to give precise guide on the basis of confirming all the safety problems.
If you have any other notification about this alert, would you please tell us through the chat room on the bottom right of our website? Thank you for your cooperation.