Hi, You may follow the steps below: a. Right click on any one of the picture and select Open With and click Change Default program. Now select the Windows Photo Viewer in the list.
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Now put a check mar for “Always use a selected program to open this kind of file”. You may also try opening the same picture using Paint and check if you are able to open without any issues. Check if you don't have file extensions displayed by default, right-click on an offending image and look at the file's name. If you have not set it as default program to open images, do this: Change which programs Windows uses by default A default program is the program that Windows uses when you open a particular type of file, such as a music file, an image, or a webpage. For example, if you have more than one web browser installed on your computer, you can choose one of them to be the default browser.
Open Default Programs by clicking the Start button, and then clicking Default Programs. In Default Programs, you can: Set your default programs. Use this option to choose which programs you want Windows to use by default. If you want to use your Windows Live Photo Gallery or Photo Gallery to open all photos, use this option. Refer to this link.