[THEBERBSTER]

Hi CB
A Happy New year to you.
Your problem is not one I have come across before.
Please post your mod list
Post #9 JSGME How To Export Your Mod List To A Subsim Post > Pictorial

The new sound files you want to install.
First check the files they are going to change and take copies of them before making any changes.
It is unlikely you will break the game by making these changes and you will have a backup anyway.
Peter