Odd thing happening with my save files

[Eaarame]

Seems that from time to time, when I go to save the game, all, the save files say "corrupted" and I cannot load them. So I close the program and restart the game and they will load and don't say "corrupted" anymore. Does anyone have an explanation for that, and yes I know the files are likely corrupted, but what I want to know is why I can still load them, then everything is fine for a while, then it happens again, and is fixed by a restart.

[Lady Aeleanor]

They may have been re-acquired from the Cloud, rather than from your save folder.

[Quevik]

They are not actually corrupted.

it's a known bug / limitation, especially with heavily-modded games. A simple restart is all you need to do (as you've figured out).

For a more permanent fix, try SSE engine fixes:

https://www.nexusmods.com/skyrimspecialedition/mods/17230

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More info on the bug in case you want it:

Per https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/setmaxstdio the max number of file handles the C stdio level can hold open by default is 512. Since SSE keeps an open file handle for all your plugins (including ones that aren't part of your load order) as well as some other important files, its possible to hit this limit on a heavy load order. Once you hit the limit all calls to fopen_s will start to fail, which means the game can no longer read new files. This causes, among other things, save game loads to report corrupted as the game is no longer capable of reading the save game files, a bug known as "false save corruption". The patch raises the limit to the system maximum (2048), which should be more than enough for 99.9% of use cases. Solving it any other way would require rewriting significant parts of SSE's file IO.

[Vlad 254]

Also, and this may not be related to your problem but is something I feel we all should do.

Uninstall OneDrive. It messes with folder permissions. Messes with saves.

But it's more than a simple turning off One Drive. As Wolfpack says;
"Sure, you'll find sites telling you how to prevent OneDrive from syncing a particular folder, how to turn off OneDrive, how to set rights on the folder, blah, blah, blah. It won't help. The best solution is to stop OneDrive from syncing your Documents folder altogether, and the way to do that is to remove your Documents folder from OneDrive's clutches. Here's how you do it:"

Go to the Cloud / One Drive (Saves) section of this guide:
https://steamcommunity.com/sharedfiles/filedetails/?id=2266129651