How to Clear Background (Wallpaper) History in Windows 10. When you change the desktop wallpaper, Windows remembers the file name and path of the last four wallpapers. The Personalize page (“Choose your picture”) displays the thumbnail image of five wallpapers; first thumbnail image is usually the current background, followed by thumbnails of previous four background images. This post tells you how to clear the wallpaper history using Registry Editor.
lear Desktop Background History
To reset the history, all you need to do is change the wallpaper image five more times, selecting the built-in wallpapers from folder C:windowswebwallpapertheme1 and C:WindowsWebWallpaperWindows. But, if you wish to clear the desktop background history using the Registry Editor, use these steps or apply the REG file available below:
Start the Registry Editor (regedit.exe)
Exit the Registry Editor.