When download my game it does an update and then when its done i try to open it again from my applications but it either just sits there and restarts the update or says it crashed and comes up with a thing saying to go to this site. (mac)

please help my game will download and i go to my files to open it. when i do that i get the epic games launcher, once i press that it goes to my applications when i press it in there it “updates” and then is done. when i press it after the update it just either sits there for a second and the does the update and repeats that cycle or it come up with the grey page saying it crashed and brings me to this sight. i’ve been trying for hours, i downloaded the mac os sierra and it still wont work. help me.

same my friend and I dont know what has happened I am desperate for a solution