Patched Windows boot loader detected (#1)

When I try to run Fortnite, this shows up:

This happened after I did some changes to the Windows features, but the same thing happens even after I undo everything I changed.

fortnite-battle-royale

Best Answer

This is an issue with EAC (EasyAntiCheat) which Fortnite recently upgraded to, which also seems to detect pirated copies of Windows. Assuming your Windows isn't pirated, some suggestions I found online were:

Restart your computer;
Configure your antivirus to exclude the EAC executable file;
Uninstall your antivirus entirely;
Make sure Windows is up to date;
run the https://www.boyans.net/dual-boot-repair-windows-10.html boot repair tool (some people claim this might be because of a corrupted boot sector).
Contact Fortnite support.

I've also seen claims that clean installing Windows fixes this, but I can understand if you're reluctant to do this.