As promised - no mods:
0.002 2016-05-16 14:51:35; Factorio 0.12.33 (Build 18092, win64, steam)
0.002 Operating system: Windows 10
0.002 Program arguments: "C:\Program Files (x86)\Steam\steamapps\common\Factorio\bin\x64\Factorio.exe"
0.002 Read data path: C:/Program Files (x86)/Steam/steamapps ...

Hey, I've been running into this error on several machines running Windows10 - I can confirm that I get the same error messages with and without mods:

Maybe you guys can help a bit! I'll add another log soon without mods so you can see the same error with less clutter but it seems to be related to ...