I tried going to the files and going to program files, epic games, fortnite, fortnite game, binaries, wind64, and finally easyanticheatlauncher.exe and verifying fortnite but it doesn’t work. I tried deleting everything, still nothing. plz help!!!
you can try to run epic games as adminastor and try trobleshoot it then play fortnite (go to settings in epic games then you can see troubleshoot select it and try to fix the problem…
Good luck 
Navigate to the EasyAntiCheat folder inside the game’s installation folder and locate EasyAntiCheat_Setup.exe. Launch it as administrator and select Repair.