Re: Mission 3 ? The Road to the Baron of Lauenburg
my install is called the "4th multiplayer demo r3392"
I'd suggest updating it to the latest version (r6720): https://www.kamremake.com/download/
Since the version you're using is so old you're likely better off using the full installer to overwrite your current installation.
PLEASE REMEMBER TO MAKE A BACKUP OF YOUR SAVEGAME FOLDER FIRST, or you may have to beat mission 3 again.
(Though it might be easier this time, since now you know how to do that

I WON! i won!
Just when you think you know something, you have to look at it in another way, even though it may seem silly or wrong. You must try! - John Keating, "Dead Poets Society"