Hi there, I'm John D, and I am an independent advisor.
I understand that you're having trouble with the Windows Photo Viewer app on your Windows 10 system. To fix this, you can try reinstalling the app by following these steps:
1.) Press Windows key + R
2.) Type "appwiz.cpl" and hit Enter
3.) Click "Turn Windows features on or off"
4.) Uncheck "Windows Photo Viewer" and click "OK"
5.) Restart your system
6.) Repeat steps 1-3
7.) Check the box next to "Windows Photo Viewer" and click "OK"
8.) Restart your system again.
This should fix the issue. Alternatively, you can remove the app by unchecking the box in step 4.
Let me know if you have any further questions.
Kind regards,
John D.
Independent Advisor