How to fix the "Please wait while we install/open the partner application" error when installing/starting an EA game.
If you're receiving this error when you try to install an EA game, please try the following steps:
Open the Task Manager.
Look for EA Background Service.
Click End task.
Open the Epic Games Launcher.
Start the EA game you wanted.
A menu from EA Play will pop up to ask you to link your accounts
Link your account.
The game should install/launch automatically.