It was the goal of autosaving but... it wasn't enough for me ^^

The same thing appears for me too (crash some times in late game after loading a savegame). And then, I'm waiting eagerly for their solution to restart playing ^^ btw, Here is my log for your savegame: 10:39:12 Info None: 2014:10:26; Factorio 0.10.12 (Build 10773, win64) 10:39:12 Info Mods: Loading ...

Then you are very lucky :p
It could be very hard to resolve a bug without any more error messages than "Fatal Error".
But fortunately, it seems to appear in a deterministic way

factorio-current.log 00:55:22 Info None: 2014:10:11; Factorio 0.10.12 (Build 10773, win64) 00:55:41 Info Mods: Loading mod core 0.0.0 00:55:41 Info Mods: Loading mod base 0.10.12 00:55:44 Info Atlas: Initial atlas bitmap size is 16384 00:55:44 Info Atlas: Created atlas bitmap 16384x5792 00:56:09 Inf...

Hi, Here is the savegame 1) This savegame comes from the version 0.9.8.9400. 2) With, 0.10.12.10773, I could play more than 5 hours before having issues. 3) I play since friday with 0.10.12.10773 3) multiple load/save was made in this version before the crash appears 4) in 0.9.8.9400, the game reque...