Athena game crash error fortnite

Hi, I play Fortnite battle royal and I crash everytime that I play a game. I have this problem since I’ve strarted to play this game, more or less a month. while I play the game suddenly the game blocks and then crashes.
the error name is : An Unreal process has crashed :UE4 -Fornite game - athena.
i searched on internet the error or people that have the same error, i tried every single fix to solve the problem but i still have it.
I have minimum and suggested requirements for fortnite.
Windows 10 Pro
Intel Core I7-3770 CPU @ 3.50 GHz
8GB Ram
NVIDIA GeForce GTX 770.