Right-click EasyAntiCheat_Setup.exe (or EasyAntiCheat_EOS_Setup.exe ) and select Run as Administrator .
The "Couldn't start the game" error in Fortnite is almost always caused by issues with , corrupted game files, or background software interference . Fortnite Launch Error - Couldnt start game erro...
Select Repair Service from the menu and wait for it to finish. Right-click EasyAntiCheat_Setup
Here is a review of the most effective fixes as of April 2026: 1. Repair Easy Anti-Cheat (EAC) Most users find this to be the definitive fix. corrupted game files