Step 4: Click on OK and relaunch Windows Photo Viewer and check if the Windows 10 photos not opening issue has been resolved. Step 3: Now uncheck the box next to “Encrypt Contents To Secure Data” Step 2: In the General tab, click on the Advanced option. Step 1: Make a right-click on the image and choose Properties from the context menu. Here are the steps to resolve this issue: If the image has been encrypted due to any reason, then it is quite possible Windows Photos Viewer might not be able to open them. If you have photos imported from a lot of devices, then there are some apps and devices that encrypt the image.
Once the process completes, do a manual reboot yourself and check if the error of Photos not opening in Windows 10 has been solved. Note: Your computer will restart a couple of times and hence it is advised to save all work before initiating the updates.
