Ok, I removed the last mod I had installed and that fixed it alright... really strange, all this mod did was to change some colors in the minimap. Sry for the inconvenience, seems that I missed that mod when I deleted them earlier. Apparently I was …
I also thought mods to be the cause, since it first appeared when I started installing mods...
I think I'll wait for Ironhorse, he should have more information about the internal workings. If he has no idea, I'll reinstall
Yes, there seem to be some errors. I made screenshots of the main menu and the errors logged in the console. If you need any more information to debug, feel free to ask.