viewtopic.php?f=6&t=45948
-- ßilk
As a temporary solution, I've patched the .exe file using x64dbg to start with the desired resolution.
Here's the part of the file that needed to be modified (open image location for a larger version):
![Image](https://forums.factorio.com/images/ext/1ca5222f019345be27b11ef0bb332e9f.png)
Here's the tool I used to convert the desired resolution to hex values.