File Explorer Icons

When I open file explorer the listing it used to show icons appropriate to the files e.g. a MP4 movie would show a movie screen image.

Now all I get is a generic music icon (see attached snapshot 2)

Is there something I need to refresh or re-load?

The option - always show icons never thumbnails is checked. Unchecking makes no difference.

Win Ver 22H2 build 19045.2546

Thanks for that. Seems to have sorted itself out, after two re-boots, the list of file slowly refreshed and changed to the proper icon. A foible of Win 10! - MP4 associated with Windows Media Player, though I often open with VLC