Photoshop is the most versatile software used by the designers but working on it can be difficult sometimes. There can be multiple errors such as “An Unknown or Invalid JPEG Marker Type is Found” that we face in Photoshop. Not being able to edit or enhance my valuable photos with special effects in Photoshop is not only frustrating but can also affect the quality of my work. So here, I need a ffective solutions to fix the unknown or invalid JPEG marker error.
This is the Photoshop Elements forum, not Photoshop CC.
This problem usually happens with photos shared with phone apps. The solution is usually to open the file in a simple image editor - even the Microsoft Photos app and save the file again, even overwriting the original image. (But you may want to copy the image first until you are sure that this solution works for your images.)