Launch stuck at "Optimizing shaders" endlessly

I tried to reinstall the game (7 hours, thanks for the servers in Europe btw), the first launch is quick, I manage to play a bit and then the second launch is still optimizing those shaders. How is this possible? How is the game running the first time without optimizing anything?

@BDonev1914 
Check if your game is set for DX 12 mode, eternal shaders loading is a common effect of having DX 12 mode enabled.

You can do that ingame, but if you can't reach there there's another way:

Users\yourusername\Documents\STAR WARS Battlefront II\settings

It may be a bit different on your end, but there's a STAR WARS Battlefront II folder inside the Documents folder, and inside it there's a settings folder. There you must find a file called BootOptions:

Open that file with a text editor (it can be the native and simple Notepad).

Now inside the file check if the line that starts with GstRender.EnableDx12 ends with 0 or 1. If it's 1 change it to 0, and check if now you can launch your game.

If it's at 0, then it's not DX12 that's causing this unfortunately.

Product: Star Wars Battlefront II
Platform:PC
What is your issue related to? General
Summarize your bug I never had problems with the game when I installed it about a month or so ago. Now, in multiplayer mode when the shaders are done being optimized, the game crashes to the desktop or its stuck and I'm unable to get to task manager to close the game. I have 2080ti NVidia graphics card, 64GB internal RAM, on a HP Omen Obelisk PC Desktop. I rarely have any problems with any games.
What is your gamertag/PSN ID/EA Account name? ARCTKOS
How often does the bug occur? Every time (100%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 7/29/2020
What time did you see the bug? (HH:MM AM/PM) 1:25 AM
In what game mode did the bug occur? Galactic Assault
What is your time zone? PST - GMT - 8:00
Steps: How can we find the bug ourselves? See if other HP Omen Desktops are having the same issue.
What happens when the bug occurs? The game either dumps to the desktop or freezes and unable to access Task Manager to close it out. It requires a hard reboot to get back to the desktop.
What do you expect to see? I expect to see a game that works in multiplayer mode.
Please select your region North America
AMD or Nvidia Model Number 2080ti

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I've never had issues with this game before and I've played it a few times in various modes. It ran perfectly smooth and the graphics looked great. After optimization of shading it doesn't look as nice as I recall. The game completely freezes after shaders are optimized in multiplayer mode or it dumps to the desktop. I never had this problem and I am guessing recent updates to the game may have caused this glitch. I enjoy this game and want to get back into it. I don't understand how a brand new system HP Omen Obelisk PC Desktop with 64GB of internal RAM and 2080ti NVidia graphics card would have any problems playing this game.

try peruse @RogueZeroRendar ‘s solution above.