Are your Windows User Documents folder, and Steam installation, on the same disk? If the first is on an SSD and the latter on a conventional hard disk, that might explain that perhaps - cloud saves are actually written out to a Steam folder, and only synced up to the Steam Cloud when you exit the game.
Delta Aquila said: The game stops every 3-4 months on the 2nd day of the month. It stops as if it's autosaving, but I have it on yearly autosave and not monthly.Note that Ironman doesn't do autosaves as such; it does what you might call a forced manual save at certain points. So changing the autosave setting has no effect on it.
Doing a test run I see my game pauses ... Read more