Flash player not working after Windows 10 update

Hai, Yesterday I upgraded my Windows 10 .... I play the game Stormfall by Plarium for 3.5 years on Edge with no problems .... when I enter the game page now it tells me to install and enable flash player .... but flash player is already pre-installed and enabled and seems to work after cheched ... but still the screen stays black ... what is wrong and how to solve this ??