Here is the Log File of the Error when i try to start the x64 Version of the Dev Branch: (0.11.19.13860 | Zip-Version)

1174927.496445 Info Logger.cpp:160: 2015-04-09 10:28:59; Factorio 0.11.19 (Build 13860, win64)
1174927.496504 Info Logger.cpp:164: Operating system: Windows 8
1174927.496527 Info ...

Hello,
i'm sorry i was existed that i could finally play and just wanted to share my finding.

The Problem:
When you try to start factorio on an windows 10 system it will load to an "random" point (10-90%) and freeze.
Administration rights doesn't change anything.

But with 32 Bit Version of the ...

Hello Everyone,
i may found an temporary solution for the startup crash on Windows 10:
Just use the x32 Zip Verion of the Dev-Build.