I have the same problem, i have Factorio 0.12.33. I have the log file. Here is is.

0.004 2016-08-20 12:00:42; Factorio 0.12.33 (Build 18092, win64, alpha)
0.004 Operating system: Windows 10
0.004 Program arguments: "C:\Users\Marcus\Desktop\Stuff\Factorio\Factorio\bin\x64\Factorio.exe"
0.004 ...