Thank you for the FIX.

I can confirm that when using the fix, then the game start and work with Danish Language.

SOLVED !!

Hi again.
I think i solved the problem with the error Unknown control sequence alternative-build

Solution..: When I ingame change the language to "Danish" and restart the game, then I will get the error Unknown control sequence alternative-build.
if I use the EXE install file and ...

Hello.

I just want to say thank you both for advice.

I downloaded the zip file version and now im able to start the game

Version 0.10.12

Error appear at 99% when loading game.
Error text in pop up window ..: Unknown control sequence alternative-build
It seem like the game do not create any "log" file that i could find.

How to reproduce..:
1). Install the 10.12 version Setup_Factorio_x64_0.10.12.exe ( Danish ...