Photoshop says it is not a PNG file: fix it now!

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Examine specified file

Try changing the file extension to get rid of the “photoshop says not a PNG file” error. To do this, open the folder where the problematic image is saved and right-click it. Next, select "Open with Notepad" and pay attention to the first character:

• ÿØá - means that this is a JPG image
• ‰ PNG is a PNG
• ÿØÿá - means that you need to change the extension of the image to JPG.

Next, go to explorer and check the File name extensions box. Select the desired image with the right mouse button and click Rename. Change the file extension from PNG to JPG. Save the change and try opening the file in Photoshop.

Change graphics preferences

To use Adobe Photoshop without photoshop not a PNG file error, you must disable the graphics processor. Launch Photoshop, go to Edit and select Preferences. Next, open Performance and go to the tab "Performance"- disable the "Use GPU" function. Now restart Photoshop and drag the problematic image to the Stage and check if the PNG file error is resolved.