The user is experiencing an issue with uploading a preview image in the Desktop Editor. Despite no error being displayed, the image does not change. The issue occurs on a Windows 11 (10.0.26200) 64-bit system, with the Desktop Editor version 262.0.0.6.300, build channel release, and build ID 2219861638549069. The session ID is 4d570295-2f7d-40f2-9a30-0d82ee05ba72, and the world ID is 951154894758192. The issue is categorized under Desktop Editor and Settings.