Had the issue yesterday downloading a game 88.2GB at around 90%. I don't have half of the tech knowledge of people on that thread, but considering how steam downloads works I suspect it's the size of packets/data of the game installs that make the pr...
From my experience the issue can happen with less than 100GB, I frequently have the issue downloading games on Steam at max speed (Fibe 1.5).Same symptoms that you describe, and rebooting the modem solves it.
