Now that's the point. When I started it, it didn't add anything to the logfile. So I tried deleting it, to see if it even creates one. As you can see here, it doesn't. Unless there is another logfile somewhere, that I don't know of.
edit:// It didn't, because it wasn't run with admin privileges. And that was also the reason for it not working and loading the file.
Launching as admin solved it. But thanks for your help. Really appreciate it. Now I can finally try this mod