How do you run a dedicated Ark server and play at the same time on PC with EPIC GAMES launcher? After starting ShooterGameServer.exe (with batch file) I can't launch ShooterGame.exe cause error Epic Game Launcher (LS-0018: Application is still running). Is there any Necessary Server Args for this? SOLVED: If you cannot access your dedicated server with the same computer, you need to enable a NAT-loopback in addition to port forwarding on router.  And yes, you should started the game