Downloading DeskNite 5.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The program lies within Photo & Graphics Tools, more precisely Viewers & Editors. This free software is an intellectual property of Swimming Elk Software. Rundll32.exe is the common file name to indicate the DeskNite installer. The most popular version among the program users is 5.1.
From the developer:
A unique desktop enhancement that will transform your static Windows wallpaper into a dynamic view of the night sky. After entering your viewing location from a drop-down list, you'll see accurate representations of the planets, sun, moon, constellations, and other celestial objects rotatearound your desktop in real-time.
You may want to check out more software, such as XDCAM Viewer, Ozone PLE or Preservation Calculator for Photo Storage, which might be related to DeskNite.