Ok Thanks, cool this workaround works for you. I checked on my end And I also haven’t got a steam.dll in the common/generationZero location. But my game-saves are still there.
So I guess the problem was caused by the moving to the other drive. Did you do this manually, that might cause the problem. I also changed the game-drive a few years back, but I did it in the steam manager/settings.
Enjoy the game, and make manual saves, just to be sure. I have made over 300 now. I number each save to keep track. Most of them I deleted of course.