If you get Epic Games Install Failed Error Code II-E1003, your game is not downloading. You should follow the solutions mentioned here to resolve the issue.

How to install the Epic Online Services When you start the Epic Games Launcher, users are now greeted with the above message stating that they need to install the Epic Online Services.

Once done, restart your PC, download the latest version of Epic Games Launcher, and then install it on your computer. Hopefully, you won’t get the MD-DL error code anymore.