Often, especially when I'm running a long-running process that uses a lot of RAM, the process will get half way through then crash because Windows thinks there's no more available disk space. Then I restart the PC to discover everything is fine, there's still more than enough space for the process to finish. Why?
Does Microsoft assume that "everyone has a 500 GB or larger hard drive these days, so we can waste as much of their space as we like"? Well I have a 6 year old MacBook Air with a 128 GB SSD, and even the newer ones only come with 256 GB.
For example: I just tried to use Deluge to download a 16 GB torrent file on to my D: drive (system partition is C: as it is on 99% of PCs) while File Explorer was showing 18 GB of free space on that drive. Giving me a theoretical wiggle room of 2 GB, right?
No other programs running at the same time, no Windows Updates dl'ing in the background (as far as I can tell), no other obvious reasons for 2 GB to be inadequate margin. Yet the download stopped at 68%. I had to restart, force re-check in Deluge and continue before it happened again at 84%!
Another restart resulted in the dl finally completing and being left with the expected 2 GB of space on D:. So why is this happening?!?! Am I missing something really obvious here because I still don't get it...and it doesn't just happen with Deluge, it happens with all sorts of programs.
Oh and BTW, don't know if this is relevant but I've never seen my system RAM usage go above 80%...not even once. I only have 4 GB but that seems to be more than enough for what I do regularly.