NEW Rocksmith 2014 Update Fix!! (Not opening with D3DX9_42.dll)
Channel: Novidekk
Date: 2022-09-16

All you will need ---
steam://open/console
windows users: download_depot 221680 221681 4556485830000690187
mac users: download_depot 221680 221682 4556485830000690187

That's it! :)