The Bing Wallpaper app is popular for its beautiful images that enhance desktop backgrounds, but users have reported unwanted changes where their backgrounds are replaced by fullscreen ads promoting Harry Potter and Fantastic Beasts films. This has led to frustration among users, who have expressed their concerns on platforms like Reddit. The controversy extends to the definition of advertisements within Windows 11, with some users viewing prompts for OneDrive as ads. The recent promotional content in the Bing Wallpaper app has upset many, as it alters the user experience by combining beloved imagery with marketing messages. While users are generally open to learning more about images, intrusive promotional content on personal desktops is seen as unacceptable. Despite being an optional app, the introduction of ads could jeopardize the positive reputation of Bing Wallpaper.