Lost Ark is a visually stunning MMORPG game with an immersive storyline and an ever-growing community. However, one of the common issues that players face while playing Lost Ark is the EasyAntiCheat error 30005. This error can be frustrating as it prevents players from joining a match or playing the game entirely. If you are one of the players experiencing this error, don't worry; this article will guide you through the steps to fix the EasyAntiCheat error 30005.

Repair EasyAntiCheat

Repair your EasyAntiCheat program. Open up your File Explorer. Navigate to the drive on which you saved the game on, Program Files > Steam > steamapps > common > Lost Ark > Binaries > Win64 > EasyAntiCheat. Double-click the EasyAntiCheat setup application.

Program Files > Steam > steamapps > common > Lost Ark > Binaries > Win64 > EasyAntiCheat

Select Repair Service. This will take a second to make sure that EasyAntiCheat is working properly, which could otherwise result in the Corrupted Data Found error you are getting.

Easy Anti-Cheat Service Setup > Repair Service

Windows Operating System Update

Ensure your Windows version is up to date. Search for Update in your start menu search to open your Check for Updates system settings window. Select Check for Updates, Download or Install Now and make sure to restart your PC after downloading the latest update in order to install it.

Verify the Lost Ark Game Files

Ensure your game files are complete and current. Open up your Steam library. Right-click Lost Ark and select Properties.

In the Local Files tab, select Verify integrity of game files. Redownloading and replacing any missing or corrupted game files will take a minute.

Lost Ark Properties > Local Files > Verify integrity of game files

End Background Apps & Overlays from Programs

Prevent malware from running on your system, or applications that could change your game files. This could be CCleaner, your anti-virus, or other programs.