If you’re noticing a problem where folder contents automatically refresh at specific intervals in Windows 10/11, this is due to the combination of the two settings, Desktop Background Slideshow (or Windows Spotlight) and “Automatically pick an accent color”.
When both options are enabled, the Windows Shell sends the refresh message to all the windows every time the wallpaper changes. This causes folders to refresh the views. The automatic folder refresh would be annoying, especially if you’re scrolling through a folder containing too many files, and after a refresh, the scroll bar moves right back to the top.Read more