Unity game issues

Greetings,

I've run into problems with unity games a few times now and hope somebody can help out.
There are 3 games that I can point to that have issues all similar to one another, I will give their RJnumbers on DLsite because: convenience.
- The first is RJ409466, a sort of simple visual novel style game with interactions and meters to fill and such, it seems certain UI elements just don't do what they must do and certain scripts aren't configured right resulting in specific game elements that don't do what it should. Though there are no real visual bugs to see. This game seems to be the least affected of the three.
- The second is RJ421087, a 3d game where you can customize a character and perform exhibitionism at her office. Unfortunately the camera gets lodged onto a wall and doesn't move unless you make your character face a certain way in a certain spot. the rest of the game seems to function decently. Again it seems like a certain part of the game script malfunctions.
- Then there is RJ415619 the latest from Ekicon Kenkyuukai. Similar to the first game and though many things work decently in the game it seems entire sprites don't get rendered and the UI malfunctions greatly.

Does anyone else recognize these sort of issues with (other) unity based games? Perhaps someone has a fix?
I've downloaded the trial versions of these games and the 3D game still has a broken camera, but the other two games seem to get fixed with a different resolution... weird.
Of course I've also tried some standard fixes like: Updating drivers, restarting my pc, having Jap Locale settings turned on, my PC being more than capable of running unity.
Though none of them solved anything. I'm not sure what to do, it feels like maybe there's a Japanese font missing which scrambles the scripts in each game? But how would I even install an extra font for unity?
I hope we can figure this out.

Are you using windows?

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Sat:
Are you using windows?

Yes. windows 10.

Maybe try using Memtest86 to test your RAM, and then OCCT to stress test your CPU/GPU.
This sounds like there is corruption somewhere on the pc.

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Okay so, interesting fix. Though I must also note there was a graphics driver update that dropped today so I'm not sure which exactly it was.
BUT, in windows 10 you have an 'exploit protection' setting/service. just typing that into your search bar will lead you there.
I remembered that older games sometime crash from this feature. Thus I added the Game.exe to the list under program settings and put everything on override and Off (even if it said it was already off i still ticked the override slider). Camera is fixed now, and the other games function normally too! bizarre.
Regards, hope this helps others as well!