Loewchen wrote:So this happened only once?

yes, only once

1. Run game
2. Load save
3. Play 2-3 minutes
4. Autosave
5. Play 1-2 minutes
6. Save game in old slot
7. Exit
8. Crash

* no mods
* this crash happens only once


0.002 2017-01-13 02:28:47; Factorio 0.14.21 (build 25327, win64, steam)
0.002 Operating system: Windows 10 (version 1607)
0.002 ...