Repair EAC
Press the Windows key + 'E' to open File Explorer.
Press Alt key, select Tools > Folder Options > View, then check Show hidden files, folders, and drives.
Navigate to the following location C:\\Program Files(x86)\EasyAntiCheat\ and delete the files:
Delete this file C:\\Program Files(x86)\EasyAntiCheat\EasyAntiCheat.sys
Delete this file C:\\Program Files(x86)\EasyAntiCheat\EasyAntiCheat.exe
Install location may not be the same at your PC for Origin or Steam (typically is at C:\Program Files (x86)\)
ORIGIN
Navigate to C:\\Program Files(x86)\Origin Games\BF2042
Right click the BF2042_launcher.exe (<-- this is the EAC launcher), select properties,
select compatibility tab and select RUN THIS PROGRAM AS ADMINISTRATOR , click APPLY , click OK.
Right click the BF2042.exe (<-- this is the game launcher) , select properties,
select compatibility tab and select RUN THIS PROGRAM AS ADMINISTRATOR , click APPLY , click OK.
EASYANTICHEAT
Navigate to C:\Program Files (x86)\Origin Games\Battlefield 2042\EasyAntiCheat and right click the EasyAntiCheat_Setup.exe and
select to RUN AS ADMINISTRATOR. In EasyAntiCheat app select REPAIR to reinstall EasyAntiCheat.
STEAM
Navigate to C:\\Program Files(x86)\Steamapps\common\BF2042
Right click the BF2042_launcher.exe (<-- this is the EAC launcher), select properties,
select compatibility tab and select RUN THIS PROGRAM AS ADMINISTRATOR , click APPLY , click OK.
Right click the BF2042.exe (<-- this is the game launcher) , select properties,
select compatibility tab and select RUN THIS PROGRAM AS ADMINISTRATOR , click APPLY , click OK.
EASYANTICHEAT
Navigate to C:\Program Files (x86)\Steam\Steamapps\common\Battlefield 2042\EasyAntiCheat and right click the EasyAntiCheat_Setup.exe and
select to RUN AS ADMINISTRATOR. In EasyAntiCheat app select REPAIR to reinstall EasyAntiCheat.
Close File Explore and Test Game.
For EasyAntiCheat violations check this page https://www.easy.ac/en-us/support/game/guides/antivirus/