@5632f839688090f3 If you're having trouble uninstalling the game, use Revo Uninstaller (the free version is fine) to remove it. You can't really uninstall packs without removing the base game too, at least not in a way that is likely to work, so it's best to clean-uninstall everything and start fresh.
The issue with the game not starting sounds like this:
If you have a 12th-gen or newer Intel processor, please try one of the workarounds in the accepted solution of that thread. Otherwise, please run a dxdiag and attach it to your reply.
https://help.ea.com/en-us/help/pc/how-to-gather-dxdiag-information/
