I was just able to start a new game after deleting the "blueprint-storage.dat" in the "C:\Users\***\AppData\Roaming\Factorio"-folder.
I remembered that I imported Nilaus' latest "Base-in-a-book"-blueprint last time I played the game.

Is this a known issue having (several) huge blueprints ...

Thanks. Don't know how this happened.
I replaced the log-file in the first post.

Hi everybody,
I've encountered some issues yesterday that prevent me from playing any game of factorio. This happens both for loading savegames and starting new games (only singleplayer tested). I played last on monday 31st of may without any issues and encountered the crashes first yesterday, 02.06 ...