Knowing if it's from a video game , a mysterious website , or a corrupted device will help me provide a specific walkthrough.
Puzzles often hide text or other images inside a JPG. Try opening the file in a Hex Editor or using an online steganography decoder . ktD_0113.JPG
Right-click the file, go to Properties > Details (Windows) or Get Info (Mac). Look for hidden messages in the "Comments," "Author," or "Copyright" tags. Knowing if it's from a video game ,