Microsoft replaced the classic Windows Photo Viewer app in Windows 10 and 11 with the new Photos app. Fortunately, you can restore Windows Photo Viewer on your Windows computer using a registry hack.
But, surprisingly, Microsoft omitted this basic photo viewer from Windows 11/10. To replace that, a completely new Photos app has been included in the new OS. The Photos app is preferable to the ...
If your Windows 10 or 11 PC is refusing to open JPG files ... you can do is try opening JPG files with a different photo viewer app. There are many excellent alternatives to the Photos app.