sorry for the delay, a lot of things happened and I couldn't use my PC for a long time.
After formatting my hdd and installing win10 the game is running fine, even after a dozen or so more hours. The problem was either my system or some incompatibility/error with win7. I'm sorry for using your time.

Maybe it's my system then. I will clean my HD and install win10 today. I'll come back here if the crashes persist

and another one

It was working fine until I got several crashes in a row. Again, I did nothing in special to trigger the crash. There is no apparent relation between the crashes, the first one (factorio-current1) occurred when the game was autosaving, then 2 crashes immediately after reloading the previous save ...

SE's creator said it looked like the game was trying to delete something on a spaceship and crashed, so I entered /editor mode, deleted said spaceship and rebuilt it from scratch. It's been working fine for a while now, I will post another log if the crash happens again. Thanks for the help.

this is the save game: https://drive.google.com/file/d/1BqKouWYgXmUIt7iYbWVxOTFJYGOoXe-q/view?usp=sharing. It's an autosave a bit before the first crash. After that I tried playing a bit more but it always crashed after a few minutes (at different times). I'm sorry i can't elaborate more, but I ...

My game is crashing every few minutes, returning to the desktop. I use a bunch of mods including Space exploration and Krastorio 2, and taking a look on the log it looks like a spaceship issue, but when I asked in the SE discord they said to seek help here....
I have no idea how to reproduce or what ...