NVIDIA GTX 1060 6GB
Intel core i3-4150 @ 3.5GHz (4 core)
RAM 16300 MB
Graphics API Direct 3D 11.0 [level 11.1] (shader level 5.0)
Windows 10 Home version 21H2
OS Build 19044.2006
experience: windows feature experience pack 120.2212.4180.0
no game mods
single player mode or multi player mode
save file corruption: sometimes it appears that the game save is corrupted and when the game is launched after system crash and reboot the player is reset to level 1 and the intro tutorial quests are reactivated. player is dropped into the game at the start location. game day is correct, but you're a level 1 with no belongings, all skill books learned have gone away. I have seen this happen as early as day 6 and as far into game as day 21 (horde day incoming, no skills, no belongings, FML).
I have an example that I can provide where I started a fresh game and have backups of my save folder that one can use to compare the pre and post corruption. I'm also happy to provide whatever log files may be helpful.
the other interesting note about this is that it happens most often at the start of day when the game is launched for the first time that day. usually the PC has been in sleep or hibernate mode overnight.