The EA App is required if you want to play any Electronic Arts games, but the program occasionally refuses to launch altogether which prevents you from playing at all. Here are some fixes you can try to get the EA App working again.
The simplest solution is often the best, and that rings true here. When you launch the EA App from your desktop shortcut or Start menu, it defaults to EALauncher.exe instead of EADesktop.exe. I don't know what's causing the issue, but it's possible that the launcher is having trouble locating and launching the EA Desktop app executable file.
Either way, all you have to do is launch the EA app from the installation directory using EADesktop.exe. A quick way to find the installation directory is to right-click the EA shortcut on your desktop then navigate to Properties > Open File Location. Next, find EADesktop.exe, right-click it, and select "Run as Administrator."
This is the only solution that worked for me, as the launcher keeps giving me a "Windows cannot find" error. If this didn't work for you, try launching it in compatibility mode for Windows 7 by right-clicking EADesktop.exe then selecting Properties > Compatibility > Run this program in compatibility mode for > Windows 7.
While you're here, you can also enable "Run this program as an administrator" to make sure it always runs with administrative privileges. Hit "Apply" then "OK" to try running the app again. If this fix works for you, you can create a desktop shortcut by right-clicking EADesktop.exe and using the "Create Shortcut" option You'll probably get a prompt to place the shortcut on your desktop, but if you don't, you can move it manually.
The option to use Unicode UNTF-8 for languages in Windows ensures that your OS and apps can correctly display characters from various languages. Several users have reported that enabling this option fixed their EA App, likely
Read more on howtogeek.com