Windows 10: Why are my folder preview icons not updating on a specific folder?

I like the feature that when you add new images to a file folder, the most recent image is the one is the one that displays as the folder thumbnail preview. This works on all my folders except for one, a random folder that contains videogame images I have tons of others exactl like it, which got stuck on one specific image even though I hadn't told it to do so. I tried:- Renaming the folder.- Moving the folder to another location.- Removing and readding the image.- Turning thumbnails off and then back on.- Using disk cleanup.None of these worked, so I tried manually changing which image woul

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Assistance needed; Windows 7 folder preview package has stopped working with new icon

[SOLVED] Windows 7 folder live icons have stopped working

UPDATE:

The exact reason why the system stopped using the special folder icons is unknown, I suspect it might be theme related.

Never the less, please see second post which includes a solution(s) and also a guide.
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Hey, I'm trying to use some custom icons for all my Explorer folders. However when I do, I lose the function or ability to preview the folders. I figured this out once before, and have now forgotten.

The top icon of the below picture, is what the Explorer folders currently look like. The preview works, but the icon is wrong.
The bottom icon is the green custom I want(though the larger size obviously) however there's no preview.

I am aware of something called 'open, closed, front and back' folders but it seems more advanced than just selecting an icon from the System32 directory(or wherever for that matter).

I have heard of icon packagers, but I'd rather not install anything extra for this if possible.

Additionally, I think it was a part of a theme. I know you can allow a theme to change desktop icons, but what about Explorer icons? The theme I had then, is the one I have now, but something has changed!

 

How to make a Uber Hidden Folder

• Make a new folder.
• Change the icon to a blank icon. No icon should appear
• Rename the folder to a blank by pressing "alt + 255." (NOTE: Press 255 on the numpad) No text should appear.
• Your done! It is uber hidden. *Big Grin

 

Changing and locking a custom icon to a folder?

I want to change a few folders icons and fix the icon to the folder so if its moved to other computers the icon wont change is there any way of doing this thanks,